Home / 28,723,999.04-39,639,073.44-15,671,259.12

Finding the Fourth Proportional to 28,723,999.04, 39,639,073.44 and 15,671,259.12

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Solution

The fourth proportional to 28,723,999.04, 39,639,073.44 and 15,671,259.12 is: 21,626,312.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723,999.04 : 39,639,073.44 = 15,671,259.12 : x
  2. Step 2: Convert to fraction form
    28,723,999.04/39,639,073.44 = 15,671,259.12/x
  3. Step 3: Cross multiply
    28,723,999.04x = 39,639,073.44 × 15,671,259.12
  4. Step 4: Simplify right side
    28,723,999.04x = 621,194,191,154,949.75
  5. Step 5: Solve for x
    x = 621,194,191,154,949.75/28,723,999.04
  6. Step 6: Final answer
    x = 21,626,312.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.