Home / 36,681,263.20-55,020,145.20-12,417,810.40

Finding the Fourth Proportional to 36,681,263.20, 55,020,145.20 and 12,417,810.40

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Solution

The fourth proportional to 36,681,263.20, 55,020,145.20 and 12,417,810.40 is: 18,626,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,681,263.20 : 55,020,145.20 = 12,417,810.40 : x
  2. Step 2: Convert to fraction form
    36,681,263.20/55,020,145.20 = 12,417,810.40/x
  3. Step 3: Cross multiply
    36,681,263.20x = 55,020,145.20 × 12,417,810.40
  4. Step 4: Simplify right side
    36,681,263.20x = 683,229,731,274,070.12
  5. Step 5: Solve for x
    x = 683,229,731,274,070.12/36,681,263.20
  6. Step 6: Final answer
    x = 18,626,123.30

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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.