Home / 21,323,461.56-29,423,848.08-12,030,489.87

Finding the Fourth Proportional to 21,323,461.56, 29,423,848.08 and 12,030,489.87

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Solution

The fourth proportional to 21,323,461.56, 29,423,848.08 and 12,030,489.87 is: 16,600,649.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323,461.56 : 29,423,848.08 = 12,030,489.87 : x
  2. Step 2: Convert to fraction form
    21,323,461.56/29,423,848.08 = 12,030,489.87/x
  3. Step 3: Cross multiply
    21,323,461.56x = 29,423,848.08 × 12,030,489.87
  4. Step 4: Simplify right side
    21,323,461.56x = 353,983,306,197,633.88
  5. Step 5: Solve for x
    x = 353,983,306,197,633.88/21,323,461.56
  6. Step 6: Final answer
    x = 16,600,649.25

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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.