Home / 34,674,541.83-47,851,219.40-20,920,848.75

Finding the Fourth Proportional to 34,674,541.83, 47,851,219.40 and 20,920,848.75

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Solution

The fourth proportional to 34,674,541.83, 47,851,219.40 and 20,920,848.75 is: 28,870,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,674,541.83 : 47,851,219.40 = 20,920,848.75 : x
  2. Step 2: Convert to fraction form
    34,674,541.83/47,851,219.40 = 20,920,848.75/x
  3. Step 3: Cross multiply
    34,674,541.83x = 47,851,219.40 × 20,920,848.75
  4. Step 4: Simplify right side
    34,674,541.83x = 1,001,088,123,465,861.62
  5. Step 5: Solve for x
    x = 1,001,088,123,465,861.62/34,674,541.83
  6. Step 6: Final answer
    x = 28,870,983.45

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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.