Home / 28,724,124.04-39,639,235.03-15,671,391.80

Finding the Fourth Proportional to 28,724,124.04, 39,639,235.03 and 15,671,391.80

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Solution

The fourth proportional to 28,724,124.04, 39,639,235.03 and 15,671,391.80 is: 21,626,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724,124.04 : 39,639,235.03 = 15,671,391.80 : x
  2. Step 2: Convert to fraction form
    28,724,124.04/39,639,235.03 = 15,671,391.80/x
  3. Step 3: Cross multiply
    28,724,124.04x = 39,639,235.03 × 15,671,391.80
  4. Step 4: Simplify right side
    28,724,124.04x = 621,201,982,570,040.12
  5. Step 5: Solve for x
    x = 621,201,982,570,040.12/28,724,124.04
  6. Step 6: Final answer
    x = 21,626,490.05

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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.