Home / 52,537,426.40-78,737,783.72-21,376,769.36

Finding the Fourth Proportional to 52,537,426.40, 78,737,783.72 and 21,376,769.36

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Solution

The fourth proportional to 52,537,426.40, 78,737,783.72 and 21,376,769.36 is: 32,037,340.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,537,426.40 : 78,737,783.72 = 21,376,769.36 : x
  2. Step 2: Convert to fraction form
    52,537,426.40/78,737,783.72 = 21,376,769.36/x
  3. Step 3: Cross multiply
    52,537,426.40x = 78,737,783.72 × 21,376,769.36
  4. Step 4: Simplify right side
    52,537,426.40x = 1,683,159,442,589,963.50
  5. Step 5: Solve for x
    x = 1,683,159,442,589,963.50/52,537,426.40
  6. Step 6: Final answer
    x = 32,037,340.96

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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.