Home / 30,871,113.55-42,602,197.59-16,932,582.10

Finding the Fourth Proportional to 30,871,113.55, 42,602,197.59 and 16,932,582.10

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Solution

The fourth proportional to 30,871,113.55, 42,602,197.59 and 16,932,582.10 is: 23,366,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871,113.55 : 42,602,197.59 = 16,932,582.10 : x
  2. Step 2: Convert to fraction form
    30,871,113.55/42,602,197.59 = 16,932,582.10/x
  3. Step 3: Cross multiply
    30,871,113.55x = 42,602,197.59 × 16,932,582.10
  4. Step 4: Simplify right side
    30,871,113.55x = 721,365,208,386,350
  5. Step 5: Solve for x
    x = 721,365,208,386,350/30,871,113.55
  6. Step 6: Final answer
    x = 23,366,996.70

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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.