Home / 10,400,254.56-14,356,948.17-6,215,415.78

Finding the Fourth Proportional to 10,400,254.56, 14,356,948.17 and 6,215,415.78

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Solution

The fourth proportional to 10,400,254.56, 14,356,948.17 and 6,215,415.78 is: 8,580,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400,254.56 : 14,356,948.17 = 6,215,415.78 : x
  2. Step 2: Convert to fraction form
    10,400,254.56/14,356,948.17 = 6,215,415.78/x
  3. Step 3: Cross multiply
    10,400,254.56x = 14,356,948.17 × 6,215,415.78
  4. Step 4: Simplify right side
    10,400,254.56x = 89,234,402,208,460.12
  5. Step 5: Solve for x
    x = 89,234,402,208,460.12/10,400,254.56
  6. Step 6: Final answer
    x = 8,580,020.97

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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.