Home / 30,871,113.14-42,602,197.02-16,932,581.69

Finding the Fourth Proportional to 30,871,113.14, 42,602,197.02 and 16,932,581.69

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Solution

The fourth proportional to 30,871,113.14, 42,602,197.02 and 16,932,581.69 is: 23,366,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871,113.14 : 42,602,197.02 = 16,932,581.69 : x
  2. Step 2: Convert to fraction form
    30,871,113.14/42,602,197.02 = 16,932,581.69/x
  3. Step 3: Cross multiply
    30,871,113.14x = 42,602,197.02 × 16,932,581.69
  4. Step 4: Simplify right side
    30,871,113.14x = 721,365,181,214,624.62
  5. Step 5: Solve for x
    x = 721,365,181,214,624.62/30,871,113.14
  6. Step 6: Final answer
    x = 23,366,996.13

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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.