Home / 21,266,508.15-31,899,762.23-9,908,104.95

Finding the Fourth Proportional to 21,266,508.15, 31,899,762.23 and 9,908,104.95

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Solution

The fourth proportional to 21,266,508.15, 31,899,762.23 and 9,908,104.95 is: 14,862,157.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266,508.15 : 31,899,762.23 = 9,908,104.95 : x
  2. Step 2: Convert to fraction form
    21,266,508.15/31,899,762.23 = 9,908,104.95/x
  3. Step 3: Cross multiply
    21,266,508.15x = 31,899,762.23 × 9,908,104.95
  4. Step 4: Simplify right side
    21,266,508.15x = 316,066,192,005,345.50
  5. Step 5: Solve for x
    x = 316,066,192,005,345.50/21,266,508.15
  6. Step 6: Final answer
    x = 14,862,157.43

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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.