Home / 20,331,547.88-30,490,555.98-8,197,877.48

Finding the Fourth Proportional to 20,331,547.88, 30,490,555.98 and 8,197,877.48

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Solution

The fourth proportional to 20,331,547.88, 30,490,555.98 and 8,197,877.48 is: 12,294,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331,547.88 : 30,490,555.98 = 8,197,877.48 : x
  2. Step 2: Convert to fraction form
    20,331,547.88/30,490,555.98 = 8,197,877.48/x
  3. Step 3: Cross multiply
    20,331,547.88x = 30,490,555.98 × 8,197,877.48
  4. Step 4: Simplify right side
    20,331,547.88x = 249,957,842,221,121.34
  5. Step 5: Solve for x
    x = 249,957,842,221,121.34/20,331,547.88
  6. Step 6: Final answer
    x = 12,294,088.17

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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.