Home / 7,249,657.34-10,005,164.61-3,987,047

Finding the Fourth Proportional to 7,249,657.34, 10,005,164.61 and 3,987,047

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Solution

The fourth proportional to 7,249,657.34, 10,005,164.61 and 3,987,047 is: 5,502,475.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249,657.34 : 10,005,164.61 = 3,987,047 : x
  2. Step 2: Convert to fraction form
    7,249,657.34/10,005,164.61 = 3,987,047/x
  3. Step 3: Cross multiply
    7,249,657.34x = 10,005,164.61 × 3,987,047
  4. Step 4: Simplify right side
    7,249,657.34x = 39,891,061,542,806.66
  5. Step 5: Solve for x
    x = 39,891,061,542,806.66/7,249,657.34
  6. Step 6: Final answer
    x = 5,502,475.45

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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.