Home / 14,342,232.82-19,791,705.40-7,815,723.18

Finding the Fourth Proportional to 14,342,232.82, 19,791,705.40 and 7,815,723.18

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Solution

The fourth proportional to 14,342,232.82, 19,791,705.40 and 7,815,723.18 is: 10,785,384.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342,232.82 : 19,791,705.40 = 7,815,723.18 : x
  2. Step 2: Convert to fraction form
    14,342,232.82/19,791,705.40 = 7,815,723.18/x
  3. Step 3: Cross multiply
    14,342,232.82x = 19,791,705.40 × 7,815,723.18
  4. Step 4: Simplify right side
    14,342,232.82x = 154,686,490,666,511.16
  5. Step 5: Solve for x
    x = 154,686,490,666,511.16/14,342,232.82
  6. Step 6: Final answer
    x = 10,785,384.16

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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.