Home / 9,665,792.40-13,338,841.68-5,315,159.28

Finding the Fourth Proportional to 9,665,792.40, 13,338,841.68 and 5,315,159.28

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Solution

The fourth proportional to 9,665,792.40, 13,338,841.68 and 5,315,159.28 is: 7,334,946.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,665,792.40 : 13,338,841.68 = 5,315,159.28 : x
  2. Step 2: Convert to fraction form
    9,665,792.40/13,338,841.68 = 5,315,159.28/x
  3. Step 3: Cross multiply
    9,665,792.40x = 13,338,841.68 × 5,315,159.28
  4. Step 4: Simplify right side
    9,665,792.40x = 70,898,068,139,902.80
  5. Step 5: Solve for x
    x = 70,898,068,139,902.80/9,665,792.40
  6. Step 6: Final answer
    x = 7,334,946.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.