Home / 30,866,902.40-42,593,256.24-17,818,365.12

Finding the Fourth Proportional to 30,866,902.40, 42,593,256.24 and 17,818,365.12

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Solution

The fourth proportional to 30,866,902.40, 42,593,256.24 and 17,818,365.12 is: 24,587,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,866,902.40 : 42,593,256.24 = 17,818,365.12 : x
  2. Step 2: Convert to fraction form
    30,866,902.40/42,593,256.24 = 17,818,365.12/x
  3. Step 3: Cross multiply
    30,866,902.40x = 42,593,256.24 × 17,818,365.12
  4. Step 4: Simplify right side
    30,866,902.40x = 758,942,191,334,038.38
  5. Step 5: Solve for x
    x = 758,942,191,334,038.38/30,866,902.40
  6. Step 6: Final answer
    x = 24,587,572.20

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1.5x scale

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.