Home / 21,574,491.40-32,361,737.10-13,108,673.80

Finding the Fourth Proportional to 21,574,491.40, 32,361,737.10 and 13,108,673.80

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Solution

The fourth proportional to 21,574,491.40, 32,361,737.10 and 13,108,673.80 is: 19,663,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,574,491.40 : 32,361,737.10 = 13,108,673.80 : x
  2. Step 2: Convert to fraction form
    21,574,491.40/32,361,737.10 = 13,108,673.80/x
  3. Step 3: Cross multiply
    21,574,491.40x = 32,361,737.10 × 13,108,673.80
  4. Step 4: Simplify right side
    21,574,491.40x = 424,219,455,245,258
  5. Step 5: Solve for x
    x = 424,219,455,245,258/21,574,491.40
  6. Step 6: Final answer
    x = 19,663,010.70

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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.