Home / 7,781,353.60-11,672,030.40-7,675,065.40

Finding the Fourth Proportional to 7,781,353.60, 11,672,030.40 and 7,675,065.40

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Solution

The fourth proportional to 7,781,353.60, 11,672,030.40 and 7,675,065.40 is: 11,512,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781,353.60 : 11,672,030.40 = 7,675,065.40 : x
  2. Step 2: Convert to fraction form
    7,781,353.60/11,672,030.40 = 7,675,065.40/x
  3. Step 3: Cross multiply
    7,781,353.60x = 11,672,030.40 × 7,675,065.40
  4. Step 4: Simplify right side
    7,781,353.60x = 89,583,596,670,788.17
  5. Step 5: Solve for x
    x = 89,583,596,670,788.17/7,781,353.60
  6. Step 6: Final answer
    x = 11,512,598.10

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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.