Home / 13,811,870.79-19,064,057.67-8,158,916.30

Finding the Fourth Proportional to 13,811,870.79, 19,064,057.67 and 8,158,916.30

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Solution

The fourth proportional to 13,811,870.79, 19,064,057.67 and 8,158,916.30 is: 11,261,475.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811,870.79 : 19,064,057.67 = 8,158,916.30 : x
  2. Step 2: Convert to fraction form
    13,811,870.79/19,064,057.67 = 8,158,916.30/x
  3. Step 3: Cross multiply
    13,811,870.79x = 19,064,057.67 × 8,158,916.30
  4. Step 4: Simplify right side
    13,811,870.79x = 155,542,050,772,582.75
  5. Step 5: Solve for x
    x = 155,542,050,772,582.75/13,811,870.79
  6. Step 6: Final answer
    x = 11,261,475.95

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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.