Home / 45,253,458.62-67,880,810.76-12,905,364.62

Finding the Fourth Proportional to 45,253,458.62, 67,880,810.76 and 12,905,364.62

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Solution

The fourth proportional to 45,253,458.62, 67,880,810.76 and 12,905,364.62 is: 19,358,224.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,253,458.62 : 67,880,810.76 = 12,905,364.62 : x
  2. Step 2: Convert to fraction form
    45,253,458.62/67,880,810.76 = 12,905,364.62/x
  3. Step 3: Cross multiply
    45,253,458.62x = 67,880,810.76 × 12,905,364.62
  4. Step 4: Simplify right side
    45,253,458.62x = 876,026,613,559,019.38
  5. Step 5: Solve for x
    x = 876,026,613,559,019.38/45,253,458.62
  6. Step 6: Final answer
    x = 19,358,224.55

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1.5x scale

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.