Home / 40,778,579.40-61,167,869.10-13,852,235.40

Finding the Fourth Proportional to 40,778,579.40, 61,167,869.10 and 13,852,235.40

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Solution

The fourth proportional to 40,778,579.40, 61,167,869.10 and 13,852,235.40 is: 20,778,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,778,579.40 : 61,167,869.10 = 13,852,235.40 : x
  2. Step 2: Convert to fraction form
    40,778,579.40/61,167,869.10 = 13,852,235.40/x
  3. Step 3: Cross multiply
    40,778,579.40x = 61,167,869.10 × 13,852,235.40
  4. Step 4: Simplify right side
    40,778,579.40x = 847,311,721,689,586.12
  5. Step 5: Solve for x
    x = 847,311,721,689,586.12/40,778,579.40
  6. Step 6: Final answer
    x = 20,778,353.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.