Home / 19,513,557.87-29,264,322.56-13,487,016.93

Finding the Fourth Proportional to 19,513,557.87, 29,264,322.56 and 13,487,016.93

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Solution

The fourth proportional to 19,513,557.87, 29,264,322.56 and 13,487,016.93 is: 20,226,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513,557.87 : 29,264,322.56 = 13,487,016.93 : x
  2. Step 2: Convert to fraction form
    19,513,557.87/29,264,322.56 = 13,487,016.93/x
  3. Step 3: Cross multiply
    19,513,557.87x = 29,264,322.56 × 13,487,016.93
  4. Step 4: Simplify right side
    19,513,557.87x = 394,688,413,744,265.81
  5. Step 5: Solve for x
    x = 394,688,413,744,265.81/19,513,557.87
  6. Step 6: Final answer
    x = 20,226,368.58

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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.