Home / 52,069,919.04-71,856,486.72-28,864,987.20

Finding the Fourth Proportional to 52,069,919.04, 71,856,486.72 and 28,864,987.20

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Solution

The fourth proportional to 52,069,919.04, 71,856,486.72 and 28,864,987.20 is: 39,833,681.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,069,919.04 : 71,856,486.72 = 28,864,987.20 : x
  2. Step 2: Convert to fraction form
    52,069,919.04/71,856,486.72 = 28,864,987.20/x
  3. Step 3: Cross multiply
    52,069,919.04x = 71,856,486.72 × 28,864,987.20
  4. Step 4: Simplify right side
    52,069,919.04x = 2,074,136,569,409,770
  5. Step 5: Solve for x
    x = 2,074,136,569,409,770/52,069,919.04
  6. Step 6: Final answer
    x = 39,833,681.47

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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.