Home / 28,678,040.14-42,975,332.19-17,724,844.30

Finding the Fourth Proportional to 28,678,040.14, 42,975,332.19 and 17,724,844.30

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Solution

The fourth proportional to 28,678,040.14, 42,975,332.19 and 17,724,844.30 is: 26,561,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,678,040.14 : 42,975,332.19 = 17,724,844.30 : x
  2. Step 2: Convert to fraction form
    28,678,040.14/42,975,332.19 = 17,724,844.30/x
  3. Step 3: Cross multiply
    28,678,040.14x = 42,975,332.19 × 17,724,844.30
  4. Step 4: Simplify right side
    28,678,040.14x = 761,731,071,808,528
  5. Step 5: Solve for x
    x = 761,731,071,808,528/28,678,040.14
  6. Step 6: Final answer
    x = 26,561,475.89

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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.