Home / 15,616,171.71-21,547,254.42-9,811,590.35

Finding the Fourth Proportional to 15,616,171.71, 21,547,254.42 and 9,811,590.35

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Solution

The fourth proportional to 15,616,171.71, 21,547,254.42 and 9,811,590.35 is: 13,538,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616,171.71 : 21,547,254.42 = 9,811,590.35 : x
  2. Step 2: Convert to fraction form
    15,616,171.71/21,547,254.42 = 9,811,590.35/x
  3. Step 3: Cross multiply
    15,616,171.71x = 21,547,254.42 × 9,811,590.35
  4. Step 4: Simplify right side
    15,616,171.71x = 211,412,833,428,530.59
  5. Step 5: Solve for x
    x = 211,412,833,428,530.59/15,616,171.71
  6. Step 6: Final answer
    x = 13,538,070.49

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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.