Home / 18,825,275.51-28,249,856.72-8,042,657.57

Finding the Fourth Proportional to 18,825,275.51, 28,249,856.72 and 8,042,657.57

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Solution

The fourth proportional to 18,825,275.51, 28,249,856.72 and 8,042,657.57 is: 12,069,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825,275.51 : 28,249,856.72 = 8,042,657.57 : x
  2. Step 2: Convert to fraction form
    18,825,275.51/28,249,856.72 = 8,042,657.57/x
  3. Step 3: Cross multiply
    18,825,275.51x = 28,249,856.72 × 8,042,657.57
  4. Step 4: Simplify right side
    18,825,275.51x = 227,203,924,000,523.38
  5. Step 5: Solve for x
    x = 227,203,924,000,523.38/18,825,275.51
  6. Step 6: Final answer
    x = 12,069,088.92

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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.