Home / 40,405,065.40-60,607,598.10-28,288,210.60

Finding the Fourth Proportional to 40,405,065.40, 60,607,598.10 and 28,288,210.60

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Solution

The fourth proportional to 40,405,065.40, 60,607,598.10 and 28,288,210.60 is: 42,432,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,405,065.40 : 60,607,598.10 = 28,288,210.60 : x
  2. Step 2: Convert to fraction form
    40,405,065.40/60,607,598.10 = 28,288,210.60/x
  3. Step 3: Cross multiply
    40,405,065.40x = 60,607,598.10 × 28,288,210.60
  4. Step 4: Simplify right side
    40,405,065.40x = 1,714,480,499,012,960
  5. Step 5: Solve for x
    x = 1,714,480,499,012,960/40,405,065.40
  6. Step 6: Final answer
    x = 42,432,315.90

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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.