Home / 12,472,779.60-18,724,915.80-6,720,094.80

Finding the Fourth Proportional to 12,472,779.60, 18,724,915.80 and 6,720,094.80

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Solution

The fourth proportional to 12,472,779.60, 18,724,915.80 and 6,720,094.80 is: 10,088,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,779.60 : 18,724,915.80 = 6,720,094.80 : x
  2. Step 2: Convert to fraction form
    12,472,779.60/18,724,915.80 = 6,720,094.80/x
  3. Step 3: Cross multiply
    12,472,779.60x = 18,724,915.80 × 6,720,094.80
  4. Step 4: Simplify right side
    12,472,779.60x = 125,833,209,298,017.84
  5. Step 5: Solve for x
    x = 125,833,209,298,017.84/12,472,779.60
  6. Step 6: Final answer
    x = 10,088,626.06

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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.