Home / 28,931,419.10-43,334,143.05-17,552,020.70

Finding the Fourth Proportional to 28,931,419.10, 43,334,143.05 and 17,552,020.70

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Solution

The fourth proportional to 28,931,419.10, 43,334,143.05 and 17,552,020.70 is: 26,289,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931,419.10 : 43,334,143.05 = 17,552,020.70 : x
  2. Step 2: Convert to fraction form
    28,931,419.10/43,334,143.05 = 17,552,020.70/x
  3. Step 3: Cross multiply
    28,931,419.10x = 43,334,143.05 × 17,552,020.70
  4. Step 4: Simplify right side
    28,931,419.10x = 760,601,775,830,361
  5. Step 5: Solve for x
    x = 760,601,775,830,361/28,931,419.10
  6. Step 6: Final answer
    x = 26,289,819.15

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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.