Home / 31,506,426.40-47,240,977.20-16,389,882.40

Finding the Fourth Proportional to 31,506,426.40, 47,240,977.20 and 16,389,882.40

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Solution

The fourth proportional to 31,506,426.40, 47,240,977.20 and 16,389,882.40 is: 24,575,115.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506,426.40 : 47,240,977.20 = 16,389,882.40 : x
  2. Step 2: Convert to fraction form
    31,506,426.40/47,240,977.20 = 16,389,882.40/x
  3. Step 3: Cross multiply
    31,506,426.40x = 47,240,977.20 × 16,389,882.40
  4. Step 4: Simplify right side
    31,506,426.40x = 774,274,060,769,081.38
  5. Step 5: Solve for x
    x = 774,274,060,769,081.38/31,506,426.40
  6. Step 6: Final answer
    x = 24,575,115.28

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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.