Home / 25,655,574.24-38,478,549.96-12,872,646.72

Finding the Fourth Proportional to 25,655,574.24, 38,478,549.96 and 12,872,646.72

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Solution

The fourth proportional to 25,655,574.24, 38,478,549.96 and 12,872,646.72 is: 19,306,555.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,655,574.24 : 38,478,549.96 = 12,872,646.72 : x
  2. Step 2: Convert to fraction form
    25,655,574.24/38,478,549.96 = 12,872,646.72/x
  3. Step 3: Cross multiply
    25,655,574.24x = 38,478,549.96 × 12,872,646.72
  4. Step 4: Simplify right side
    25,655,574.24x = 495,320,779,932,950.19
  5. Step 5: Solve for x
    x = 495,320,779,932,950.19/25,655,574.24
  6. Step 6: Final answer
    x = 19,306,555.97

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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.