Home / 15,781,494.04-21,793,502.90-14,921,728.30

Finding the Fourth Proportional to 15,781,494.04, 21,793,502.90 and 14,921,728.30

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Solution

The fourth proportional to 15,781,494.04, 21,793,502.90 and 14,921,728.30 is: 20,606,206.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781,494.04 : 21,793,502.90 = 14,921,728.30 : x
  2. Step 2: Convert to fraction form
    15,781,494.04/21,793,502.90 = 14,921,728.30/x
  3. Step 3: Cross multiply
    15,781,494.04x = 21,793,502.90 × 14,921,728.30
  4. Step 4: Simplify right side
    15,781,494.04x = 325,196,728,979,062.06
  5. Step 5: Solve for x
    x = 325,196,728,979,062.06/15,781,494.04
  6. Step 6: Final answer
    x = 20,606,206.75

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1.5x scale

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.