Home / 35,532,877.78-49,026,967.61-20,639,352.02

Finding the Fourth Proportional to 35,532,877.78, 49,026,967.61 and 20,639,352.02

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Solution

The fourth proportional to 35,532,877.78, 49,026,967.61 and 20,639,352.02 is: 28,477,424.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,532,877.78 : 49,026,967.61 = 20,639,352.02 : x
  2. Step 2: Convert to fraction form
    35,532,877.78/49,026,967.61 = 20,639,352.02/x
  3. Step 3: Cross multiply
    35,532,877.78x = 49,026,967.61 × 20,639,352.02
  4. Step 4: Simplify right side
    35,532,877.78x = 1,011,884,842,995,298.75
  5. Step 5: Solve for x
    x = 1,011,884,842,995,298.75/35,532,877.78
  6. Step 6: Final answer
    x = 28,477,424.47

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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.