Home / 31,549,400.40-47,305,438.20-16,432,856.40

Finding the Fourth Proportional to 31,549,400.40, 47,305,438.20 and 16,432,856.40

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Solution

The fourth proportional to 31,549,400.40, 47,305,438.20 and 16,432,856.40 is: 24,639,564.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549,400.40 : 47,305,438.20 = 16,432,856.40 : x
  2. Step 2: Convert to fraction form
    31,549,400.40/47,305,438.20 = 16,432,856.40/x
  3. Step 3: Cross multiply
    31,549,400.40x = 47,305,438.20 × 16,432,856.40
  4. Step 4: Simplify right side
    31,549,400.40x = 777,363,472,879,674.50
  5. Step 5: Solve for x
    x = 777,363,472,879,674.50/31,549,400.40
  6. Step 6: Final answer
    x = 24,639,564.08

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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.