Home / 19,779,002.64-29,615,349.06-12,551,405.04

Finding the Fourth Proportional to 19,779,002.64, 29,615,349.06 and 12,551,405.04

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Solution

The fourth proportional to 19,779,002.64, 29,615,349.06 and 12,551,405.04 is: 18,793,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779,002.64 : 29,615,349.06 = 12,551,405.04 : x
  2. Step 2: Convert to fraction form
    19,779,002.64/29,615,349.06 = 12,551,405.04/x
  3. Step 3: Cross multiply
    19,779,002.64x = 29,615,349.06 × 12,551,405.04
  4. Step 4: Simplify right side
    19,779,002.64x = 371,714,241,453,043.25
  5. Step 5: Solve for x
    x = 371,714,241,453,043.25/19,779,002.64
  6. Step 6: Final answer
    x = 18,793,376.40

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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.