Home / 31,516,830.80-47,240,254.20-12,341,214.80

Finding the Fourth Proportional to 31,516,830.80, 47,240,254.20 and 12,341,214.80

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Solution

The fourth proportional to 31,516,830.80, 47,240,254.20 and 12,341,214.80 is: 18,498,120.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516,830.80 : 47,240,254.20 = 12,341,214.80 : x
  2. Step 2: Convert to fraction form
    31,516,830.80/47,240,254.20 = 12,341,214.80/x
  3. Step 3: Cross multiply
    31,516,830.80x = 47,240,254.20 × 12,341,214.80
  4. Step 4: Simplify right side
    31,516,830.80x = 583,002,124,288,802.25
  5. Step 5: Solve for x
    x = 583,002,124,288,802.25/31,516,830.80
  6. Step 6: Final answer
    x = 18,498,120.19

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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.