Home / 42,772,574.37-64,133,239.41-13,613,818.20

Finding the Fourth Proportional to 42,772,574.37, 64,133,239.41 and 13,613,818.20

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Solution

The fourth proportional to 42,772,574.37, 64,133,239.41 and 13,613,818.20 is: 20,412,572.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,772,574.37 : 64,133,239.41 = 13,613,818.20 : x
  2. Step 2: Convert to fraction form
    42,772,574.37/64,133,239.41 = 13,613,818.20/x
  3. Step 3: Cross multiply
    42,772,574.37x = 64,133,239.41 × 13,613,818.20
  4. Step 4: Simplify right side
    42,772,574.37x = 873,098,261,904,815.12
  5. Step 5: Solve for x
    x = 873,098,261,904,815.12/42,772,574.37
  6. Step 6: Final answer
    x = 20,412,572.19

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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.