Home / 10,389,617.80-15,584,426.70-4,720,913.80

Finding the Fourth Proportional to 10,389,617.80, 15,584,426.70 and 4,720,913.80

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Solution

The fourth proportional to 10,389,617.80, 15,584,426.70 and 4,720,913.80 is: 7,081,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389,617.80 : 15,584,426.70 = 4,720,913.80 : x
  2. Step 2: Convert to fraction form
    10,389,617.80/15,584,426.70 = 4,720,913.80/x
  3. Step 3: Cross multiply
    10,389,617.80x = 15,584,426.70 × 4,720,913.80
  4. Step 4: Simplify right side
    10,389,617.80x = 73,572,735,073,118.45
  5. Step 5: Solve for x
    x = 73,572,735,073,118.45/10,389,617.80
  6. Step 6: Final answer
    x = 7,081,370.70

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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.