Home / 42,367,585.80-63,551,378.70-12,071,512.20

Finding the Fourth Proportional to 42,367,585.80, 63,551,378.70 and 12,071,512.20

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Solution

The fourth proportional to 42,367,585.80, 63,551,378.70 and 12,071,512.20 is: 18,107,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,367,585.80 : 63,551,378.70 = 12,071,512.20 : x
  2. Step 2: Convert to fraction form
    42,367,585.80/63,551,378.70 = 12,071,512.20/x
  3. Step 3: Cross multiply
    42,367,585.80x = 63,551,378.70 × 12,071,512.20
  4. Step 4: Simplify right side
    42,367,585.80x = 767,161,243,303,870.12
  5. Step 5: Solve for x
    x = 767,161,243,303,870.12/42,367,585.80
  6. Step 6: Final answer
    x = 18,107,268.30

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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.