Home / 12,631,148.76-17,430,972.98-6,829,916.60

Finding the Fourth Proportional to 12,631,148.76, 17,430,972.98 and 6,829,916.60

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Solution

The fourth proportional to 12,631,148.76, 17,430,972.98 and 6,829,916.60 is: 9,425,278.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,148.76 : 17,430,972.98 = 6,829,916.60 : x
  2. Step 2: Convert to fraction form
    12,631,148.76/17,430,972.98 = 6,829,916.60/x
  3. Step 3: Cross multiply
    12,631,148.76x = 17,430,972.98 × 6,829,916.60
  4. Step 4: Simplify right side
    12,631,148.76x = 119,052,091,710,253.47
  5. Step 5: Solve for x
    x = 119,052,091,710,253.47/12,631,148.76
  6. Step 6: Final answer
    x = 9,425,278.25

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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.