Home / 14,139,209.92-21,189,045.84-7,648,274.80

Finding the Fourth Proportional to 14,139,209.92, 21,189,045.84 and 7,648,274.80

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Solution

The fourth proportional to 14,139,209.92, 21,189,045.84 and 7,648,274.80 is: 11,461,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139,209.92 : 21,189,045.84 = 7,648,274.80 : x
  2. Step 2: Convert to fraction form
    14,139,209.92/21,189,045.84 = 7,648,274.80/x
  3. Step 3: Cross multiply
    14,139,209.92x = 21,189,045.84 × 7,648,274.80
  4. Step 4: Simplify right side
    14,139,209.92x = 162,059,645,334,116.81
  5. Step 5: Solve for x
    x = 162,059,645,334,116.81/14,139,209.92
  6. Step 6: Final answer
    x = 11,461,718.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.