Home / 9,799,217.20-14,698,825.80-7,090,836.40

Finding the Fourth Proportional to 9,799,217.20, 14,698,825.80 and 7,090,836.40

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Solution

The fourth proportional to 9,799,217.20, 14,698,825.80 and 7,090,836.40 is: 10,636,254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,799,217.20 : 14,698,825.80 = 7,090,836.40 : x
  2. Step 2: Convert to fraction form
    9,799,217.20/14,698,825.80 = 7,090,836.40/x
  3. Step 3: Cross multiply
    9,799,217.20x = 14,698,825.80 × 7,090,836.40
  4. Step 4: Simplify right side
    9,799,217.20x = 104,226,969,019,899.12
  5. Step 5: Solve for x
    x = 104,226,969,019,899.12/9,799,217.20
  6. Step 6: Final answer
    x = 10,636,254.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.