Home / 21,574,385.64-29,772,753.66-11,784,965.40

Finding the Fourth Proportional to 21,574,385.64, 29,772,753.66 and 11,784,965.40

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Solution

The fourth proportional to 21,574,385.64, 29,772,753.66 and 11,784,965.40 is: 16,263,307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,574,385.64 : 29,772,753.66 = 11,784,965.40 : x
  2. Step 2: Convert to fraction form
    21,574,385.64/29,772,753.66 = 11,784,965.40/x
  3. Step 3: Cross multiply
    21,574,385.64x = 29,772,753.66 × 11,784,965.40
  4. Step 4: Simplify right side
    21,574,385.64x = 350,870,871,745,823.38
  5. Step 5: Solve for x
    x = 350,870,871,745,823.38/21,574,385.64
  6. Step 6: Final answer
    x = 16,263,307.68

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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.