Home / 31,545,346.60-47,291,775.90-13,363,503.40

Finding the Fourth Proportional to 31,545,346.60, 47,291,775.90 and 13,363,503.40

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Solution

The fourth proportional to 31,545,346.60, 47,291,775.90 and 13,363,503.40 is: 20,034,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545,346.60 : 47,291,775.90 = 13,363,503.40 : x
  2. Step 2: Convert to fraction form
    31,545,346.60/47,291,775.90 = 13,363,503.40/x
  3. Step 3: Cross multiply
    31,545,346.60x = 47,291,775.90 × 13,363,503.40
  4. Step 4: Simplify right side
    31,545,346.60x = 631,983,808,031,688
  5. Step 5: Solve for x
    x = 631,983,808,031,688/31,545,346.60
  6. Step 6: Final answer
    x = 20,034,137.40

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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.