Home / 42,023,767.68-63,037,583.37-12,875,519.16

Finding the Fourth Proportional to 42,023,767.68, 63,037,583.37 and 12,875,519.16

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Solution

The fourth proportional to 42,023,767.68, 63,037,583.37 and 12,875,519.16 is: 19,313,870.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,023,767.68 : 63,037,583.37 = 12,875,519.16 : x
  2. Step 2: Convert to fraction form
    42,023,767.68/63,037,583.37 = 12,875,519.16/x
  3. Step 3: Cross multiply
    42,023,767.68x = 63,037,583.37 × 12,875,519.16
  4. Step 4: Simplify right side
    42,023,767.68x = 811,641,612,480,532.38
  5. Step 5: Solve for x
    x = 811,641,612,480,532.38/42,023,767.68
  6. Step 6: Final answer
    x = 19,313,870.63

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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.