Home / 21,374,585.10-32,061,877.65-19,209,746.70

Finding the Fourth Proportional to 21,374,585.10, 32,061,877.65 and 19,209,746.70

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Solution

The fourth proportional to 21,374,585.10, 32,061,877.65 and 19,209,746.70 is: 28,814,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374,585.10 : 32,061,877.65 = 19,209,746.70 : x
  2. Step 2: Convert to fraction form
    21,374,585.10/32,061,877.65 = 19,209,746.70/x
  3. Step 3: Cross multiply
    21,374,585.10x = 32,061,877.65 × 19,209,746.70
  4. Step 4: Simplify right side
    21,374,585.10x = 615,900,548,382,891.25
  5. Step 5: Solve for x
    x = 615,900,548,382,891.25/21,374,585.10
  6. Step 6: Final answer
    x = 28,814,620.05

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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.