Home / 13,311,913.60-19,967,870.40-11,877,022.90

Finding the Fourth Proportional to 13,311,913.60, 19,967,870.40 and 11,877,022.90

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Solution

The fourth proportional to 13,311,913.60, 19,967,870.40 and 11,877,022.90 is: 17,815,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311,913.60 : 19,967,870.40 = 11,877,022.90 : x
  2. Step 2: Convert to fraction form
    13,311,913.60/19,967,870.40 = 11,877,022.90/x
  3. Step 3: Cross multiply
    13,311,913.60x = 19,967,870.40 × 11,877,022.90
  4. Step 4: Simplify right side
    13,311,913.60x = 237,158,854,005,032.16
  5. Step 5: Solve for x
    x = 237,158,854,005,032.16/13,311,913.60
  6. Step 6: Final answer
    x = 17,815,534.35

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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.