Home / 21,303,954.15-31,955,931.23-17,761,014.15

Finding the Fourth Proportional to 21,303,954.15, 31,955,931.23 and 17,761,014.15

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Solution

The fourth proportional to 21,303,954.15, 31,955,931.23 and 17,761,014.15 is: 26,641,521.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,303,954.15 : 31,955,931.23 = 17,761,014.15 : x
  2. Step 2: Convert to fraction form
    21,303,954.15/31,955,931.23 = 17,761,014.15/x
  3. Step 3: Cross multiply
    21,303,954.15x = 31,955,931.23 × 17,761,014.15
  4. Step 4: Simplify right side
    21,303,954.15x = 567,569,746,663,651.88
  5. Step 5: Solve for x
    x = 567,569,746,663,651.88/21,303,954.15
  6. Step 6: Final answer
    x = 26,641,521.23

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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.