Home / 21,303,712.80-31,955,569.20-14,784,703.20

Finding the Fourth Proportional to 21,303,712.80, 31,955,569.20 and 14,784,703.20

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Solution

The fourth proportional to 21,303,712.80, 31,955,569.20 and 14,784,703.20 is: 22,177,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,303,712.80 : 31,955,569.20 = 14,784,703.20 : x
  2. Step 2: Convert to fraction form
    21,303,712.80/31,955,569.20 = 14,784,703.20/x
  3. Step 3: Cross multiply
    21,303,712.80x = 31,955,569.20 × 14,784,703.20
  4. Step 4: Simplify right side
    21,303,712.80x = 472,453,606,209,061.38
  5. Step 5: Solve for x
    x = 472,453,606,209,061.38/21,303,712.80
  6. Step 6: Final answer
    x = 22,177,054.80

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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.