Home / 10,159,505.75-14,020,126.97-5,513,290.74

Finding the Fourth Proportional to 10,159,505.75, 14,020,126.97 and 5,513,290.74

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Solution

The fourth proportional to 10,159,505.75, 14,020,126.97 and 5,513,290.74 is: 7,608,346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159,505.75 : 14,020,126.97 = 5,513,290.74 : x
  2. Step 2: Convert to fraction form
    10,159,505.75/14,020,126.97 = 5,513,290.74/x
  3. Step 3: Cross multiply
    10,159,505.75x = 14,020,126.97 × 5,513,290.74
  4. Step 4: Simplify right side
    10,159,505.75x = 77,297,036,169,758.81
  5. Step 5: Solve for x
    x = 77,297,036,169,758.81/10,159,505.75
  6. Step 6: Final answer
    x = 7,608,346.13

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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.