Home / 21,822,142.56-32,742,653.12-11,712,953.76

Finding the Fourth Proportional to 21,822,142.56, 32,742,653.12 and 11,712,953.76

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Solution

The fourth proportional to 21,822,142.56, 32,742,653.12 and 11,712,953.76 is: 17,574,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,822,142.56 : 32,742,653.12 = 11,712,953.76 : x
  2. Step 2: Convert to fraction form
    21,822,142.56/32,742,653.12 = 11,712,953.76/x
  3. Step 3: Cross multiply
    21,822,142.56x = 32,742,653.12 × 11,712,953.76
  4. Step 4: Simplify right side
    21,822,142.56x = 383,513,181,974,279.75
  5. Step 5: Solve for x
    x = 383,513,181,974,279.75/21,822,142.56
  6. Step 6: Final answer
    x = 17,574,497.14

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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.