Home / 21,704,298.77-29,950,832.36-12,884,127.06

Finding the Fourth Proportional to 21,704,298.77, 29,950,832.36 and 12,884,127.06

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Solution

The fourth proportional to 21,704,298.77, 29,950,832.36 and 12,884,127.06 is: 17,779,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,704,298.77 : 29,950,832.36 = 12,884,127.06 : x
  2. Step 2: Convert to fraction form
    21,704,298.77/29,950,832.36 = 12,884,127.06/x
  3. Step 3: Cross multiply
    21,704,298.77x = 29,950,832.36 × 12,884,127.06
  4. Step 4: Simplify right side
    21,704,298.77x = 385,890,329,604,122.56
  5. Step 5: Solve for x
    x = 385,890,329,604,122.56/21,704,298.77
  6. Step 6: Final answer
    x = 17,779,442.39

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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.