Home / 7,299,070.32-10,072,656-4,202,200.56

Finding the Fourth Proportional to 7,299,070.32, 10,072,656 and 4,202,200.56

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Solution

The fourth proportional to 7,299,070.32, 10,072,656 and 4,202,200.56 is: 5,799,001.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299,070.32 : 10,072,656 = 4,202,200.56 : x
  2. Step 2: Convert to fraction form
    7,299,070.32/10,072,656 = 4,202,200.56/x
  3. Step 3: Cross multiply
    7,299,070.32x = 10,072,656 × 4,202,200.56
  4. Step 4: Simplify right side
    7,299,070.32x = 42,327,320,683,887.36
  5. Step 5: Solve for x
    x = 42,327,320,683,887.36/7,299,070.32
  6. Step 6: Final answer
    x = 5,799,001.63

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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.