Home / 15,573,130.29-21,490,269.30-8,957,215.62

Finding the Fourth Proportional to 15,573,130.29, 21,490,269.30 and 8,957,215.62

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Solution

The fourth proportional to 15,573,130.29, 21,490,269.30 and 8,957,215.62 is: 12,360,583.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573,130.29 : 21,490,269.30 = 8,957,215.62 : x
  2. Step 2: Convert to fraction form
    15,573,130.29/21,490,269.30 = 8,957,215.62/x
  3. Step 3: Cross multiply
    15,573,130.29x = 21,490,269.30 × 8,957,215.62
  4. Step 4: Simplify right side
    15,573,130.29x = 192,492,975,851,966.47
  5. Step 5: Solve for x
    x = 192,492,975,851,966.47/15,573,130.29
  6. Step 6: Final answer
    x = 12,360,583.41

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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.