Home / 22,020,374.56-30,375,860.91-20,461,612.18

Finding the Fourth Proportional to 22,020,374.56, 30,375,860.91 and 20,461,612.18

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Solution

The fourth proportional to 22,020,374.56, 30,375,860.91 and 20,461,612.18 is: 28,225,636.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020,374.56 : 30,375,860.91 = 20,461,612.18 : x
  2. Step 2: Convert to fraction form
    22,020,374.56/30,375,860.91 = 20,461,612.18/x
  3. Step 3: Cross multiply
    22,020,374.56x = 30,375,860.91 × 20,461,612.18
  4. Step 4: Simplify right side
    22,020,374.56x = 621,539,085,574,041.88
  5. Step 5: Solve for x
    x = 621,539,085,574,041.88/22,020,374.56
  6. Step 6: Final answer
    x = 28,225,636.39

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1.5x scale

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.