Home / 12,714,779.40-19,072,169.10-3,130,081.80

Finding the Fourth Proportional to 12,714,779.40, 19,072,169.10 and 3,130,081.80

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Solution

The fourth proportional to 12,714,779.40, 19,072,169.10 and 3,130,081.80 is: 4,695,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714,779.40 : 19,072,169.10 = 3,130,081.80 : x
  2. Step 2: Convert to fraction form
    12,714,779.40/19,072,169.10 = 3,130,081.80/x
  3. Step 3: Cross multiply
    12,714,779.40x = 19,072,169.10 × 3,130,081.80
  4. Step 4: Simplify right side
    12,714,779.40x = 59,697,449,386,432.38
  5. Step 5: Solve for x
    x = 59,697,449,386,432.38/12,714,779.40
  6. Step 6: Final answer
    x = 4,695,122.70

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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.