Home / 21,805,424.04-30,092,802.30-12,015,851.52

Finding the Fourth Proportional to 21,805,424.04, 30,092,802.30 and 12,015,851.52

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Solution

The fourth proportional to 21,805,424.04, 30,092,802.30 and 12,015,851.52 is: 16,582,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,805,424.04 : 30,092,802.30 = 12,015,851.52 : x
  2. Step 2: Convert to fraction form
    21,805,424.04/30,092,802.30 = 12,015,851.52/x
  3. Step 3: Cross multiply
    21,805,424.04x = 30,092,802.30 × 12,015,851.52
  4. Step 4: Simplify right side
    21,805,424.04x = 361,590,644,257,514.50
  5. Step 5: Solve for x
    x = 361,590,644,257,514.50/21,805,424.04
  6. Step 6: Final answer
    x = 16,582,600.90

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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.