Home / 9,916,459.20-14,874,688.80-8,759,390.40

Finding the Fourth Proportional to 9,916,459.20, 14,874,688.80 and 8,759,390.40

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Solution

The fourth proportional to 9,916,459.20, 14,874,688.80 and 8,759,390.40 is: 13,139,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916,459.20 : 14,874,688.80 = 8,759,390.40 : x
  2. Step 2: Convert to fraction form
    9,916,459.20/14,874,688.80 = 8,759,390.40/x
  3. Step 3: Cross multiply
    9,916,459.20x = 14,874,688.80 × 8,759,390.40
  4. Step 4: Simplify right side
    9,916,459.20x = 130,293,206,277,707.53
  5. Step 5: Solve for x
    x = 130,293,206,277,707.53/9,916,459.20
  6. Step 6: Final answer
    x = 13,139,085.60

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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.