Home / 19,142,472.18-28,710,298.98-7,626,974.34

Finding the Fourth Proportional to 19,142,472.18, 28,710,298.98 and 7,626,974.34

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Solution

The fourth proportional to 19,142,472.18, 28,710,298.98 and 7,626,974.34 is: 11,439,103.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142,472.18 : 28,710,298.98 = 7,626,974.34 : x
  2. Step 2: Convert to fraction form
    19,142,472.18/28,710,298.98 = 7,626,974.34/x
  3. Step 3: Cross multiply
    19,142,472.18x = 28,710,298.98 × 7,626,974.34
  4. Step 4: Simplify right side
    19,142,472.18x = 218,972,713,614,188.19
  5. Step 5: Solve for x
    x = 218,972,713,614,188.19/19,142,472.18
  6. Step 6: Final answer
    x = 11,439,103.14

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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.