Home / 19,779,014.39-29,615,366.69-12,551,416.79

Finding the Fourth Proportional to 19,779,014.39, 29,615,366.69 and 12,551,416.79

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Solution

The fourth proportional to 19,779,014.39, 29,615,366.69 and 12,551,416.79 is: 18,793,394.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779,014.39 : 29,615,366.69 = 12,551,416.79 : x
  2. Step 2: Convert to fraction form
    19,779,014.39/29,615,366.69 = 12,551,416.79/x
  3. Step 3: Cross multiply
    19,779,014.39x = 29,615,366.69 × 12,551,416.79
  4. Step 4: Simplify right side
    19,779,014.39x = 371,714,810,652,115.62
  5. Step 5: Solve for x
    x = 371,714,810,652,115.62/19,779,014.39
  6. Step 6: Final answer
    x = 18,793,394.01

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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.