Home / 10,509,720.60-15,764,580.90-8,835,681.45

Finding the Fourth Proportional to 10,509,720.60, 15,764,580.90 and 8,835,681.45

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Solution

The fourth proportional to 10,509,720.60, 15,764,580.90 and 8,835,681.45 is: 13,253,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509,720.60 : 15,764,580.90 = 8,835,681.45 : x
  2. Step 2: Convert to fraction form
    10,509,720.60/15,764,580.90 = 8,835,681.45/x
  3. Step 3: Cross multiply
    10,509,720.60x = 15,764,580.90 × 8,835,681.45
  4. Step 4: Simplify right side
    10,509,720.60x = 139,290,815,025,154.30
  5. Step 5: Solve for x
    x = 139,290,815,025,154.30/10,509,720.60
  6. Step 6: Final answer
    x = 13,253,522.18

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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.