Home / 26,442,981.60-39,662,139.60-7,272,031.20

Finding the Fourth Proportional to 26,442,981.60, 39,662,139.60 and 7,272,031.20

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Solution

The fourth proportional to 26,442,981.60, 39,662,139.60 and 7,272,031.20 is: 10,907,405.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,442,981.60 : 39,662,139.60 = 7,272,031.20 : x
  2. Step 2: Convert to fraction form
    26,442,981.60/39,662,139.60 = 7,272,031.20/x
  3. Step 3: Cross multiply
    26,442,981.60x = 39,662,139.60 × 7,272,031.20
  4. Step 4: Simplify right side
    26,442,981.60x = 288,424,316,629,955.56
  5. Step 5: Solve for x
    x = 288,424,316,629,955.56/26,442,981.60
  6. Step 6: Final answer
    x = 10,907,405.26

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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.