Home / 15,636,127.43-21,578,652.27-9,018,254.82

Finding the Fourth Proportional to 15,636,127.43, 21,578,652.27 and 9,018,254.82

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Solution

The fourth proportional to 15,636,127.43, 21,578,652.27 and 9,018,254.82 is: 12,445,650.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,636,127.43 : 21,578,652.27 = 9,018,254.82 : x
  2. Step 2: Convert to fraction form
    15,636,127.43/21,578,652.27 = 9,018,254.82/x
  3. Step 3: Cross multiply
    15,636,127.43x = 21,578,652.27 × 9,018,254.82
  4. Step 4: Simplify right side
    15,636,127.43x = 194,601,784,843,031.44
  5. Step 5: Solve for x
    x = 194,601,784,843,031.44/15,636,127.43
  6. Step 6: Final answer
    x = 12,445,650.99

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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.