Home / 29,037,108.65-40,079,671.81-18,980,068.57

Finding the Fourth Proportional to 29,037,108.65, 40,079,671.81 and 18,980,068.57

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Solution

The fourth proportional to 29,037,108.65, 40,079,671.81 and 18,980,068.57 is: 26,198,025.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,037,108.65 : 40,079,671.81 = 18,980,068.57 : x
  2. Step 2: Convert to fraction form
    29,037,108.65/40,079,671.81 = 18,980,068.57/x
  3. Step 3: Cross multiply
    29,037,108.65x = 40,079,671.81 × 18,980,068.57
  4. Step 4: Simplify right side
    29,037,108.65x = 760,714,919,069,246.62
  5. Step 5: Solve for x
    x = 760,714,919,069,246.62/29,037,108.65
  6. Step 6: Final answer
    x = 26,198,025.72

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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.