Home / 21,742,279.80-32,617,356.30-10,932,376.20

Finding the Fourth Proportional to 21,742,279.80, 32,617,356.30 and 10,932,376.20

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Solution

The fourth proportional to 21,742,279.80, 32,617,356.30 and 10,932,376.20 is: 16,400,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,742,279.80 : 32,617,356.30 = 10,932,376.20 : x
  2. Step 2: Convert to fraction form
    21,742,279.80/32,617,356.30 = 10,932,376.20/x
  3. Step 3: Cross multiply
    21,742,279.80x = 32,617,356.30 × 10,932,376.20
  4. Step 4: Simplify right side
    21,742,279.80x = 356,585,209,721,040.06
  5. Step 5: Solve for x
    x = 356,585,209,721,040.06/21,742,279.80
  6. Step 6: Final answer
    x = 16,400,543.69

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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.