Home / 21,492,139.20-32,238,208.80-14,689,694.40

Finding the Fourth Proportional to 21,492,139.20, 32,238,208.80 and 14,689,694.40

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Solution

The fourth proportional to 21,492,139.20, 32,238,208.80 and 14,689,694.40 is: 22,034,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492,139.20 : 32,238,208.80 = 14,689,694.40 : x
  2. Step 2: Convert to fraction form
    21,492,139.20/32,238,208.80 = 14,689,694.40/x
  3. Step 3: Cross multiply
    21,492,139.20x = 32,238,208.80 × 14,689,694.40
  4. Step 4: Simplify right side
    21,492,139.20x = 473,569,435,275,390.75
  5. Step 5: Solve for x
    x = 473,569,435,275,390.75/21,492,139.20
  6. Step 6: Final answer
    x = 22,034,541.60

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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.