Home / 15,888,073.42-21,924,895.71-9,012,407.86

Finding the Fourth Proportional to 15,888,073.42, 21,924,895.71 and 9,012,407.86

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Solution

The fourth proportional to 15,888,073.42, 21,924,895.71 and 9,012,407.86 is: 12,436,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888,073.42 : 21,924,895.71 = 9,012,407.86 : x
  2. Step 2: Convert to fraction form
    15,888,073.42/21,924,895.71 = 9,012,407.86/x
  3. Step 3: Cross multiply
    15,888,073.42x = 21,924,895.71 × 9,012,407.86
  4. Step 4: Simplify right side
    15,888,073.42x = 197,596,102,371,672.06
  5. Step 5: Solve for x
    x = 197,596,102,371,672.06/15,888,073.42
  6. Step 6: Final answer
    x = 12,436,756.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.