Home / 8,919,569.56-12,309,343.66-4,999,397.52

Finding the Fourth Proportional to 8,919,569.56, 12,309,343.66 and 4,999,397.52

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Solution

The fourth proportional to 8,919,569.56, 12,309,343.66 and 4,999,397.52 is: 6,899,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919,569.56 : 12,309,343.66 = 4,999,397.52 : x
  2. Step 2: Convert to fraction form
    8,919,569.56/12,309,343.66 = 4,999,397.52/x
  3. Step 3: Cross multiply
    8,919,569.56x = 12,309,343.66 × 4,999,397.52
  4. Step 4: Simplify right side
    8,919,569.56x = 61,539,302,166,631.72
  5. Step 5: Solve for x
    x = 61,539,302,166,631.72/8,919,569.56
  6. Step 6: Final answer
    x = 6,899,357.84

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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.