Home / 14,969,999.04-20,658,867.72-8,779,510.62

Finding the Fourth Proportional to 14,969,999.04, 20,658,867.72 and 8,779,510.62

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Solution

The fourth proportional to 14,969,999.04, 20,658,867.72 and 8,779,510.62 is: 12,115,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969,999.04 : 20,658,867.72 = 8,779,510.62 : x
  2. Step 2: Convert to fraction form
    14,969,999.04/20,658,867.72 = 8,779,510.62/x
  3. Step 3: Cross multiply
    14,969,999.04x = 20,658,867.72 × 8,779,510.62
  4. Step 4: Simplify right side
    14,969,999.04x = 181,374,748,544,915.16
  5. Step 5: Solve for x
    x = 181,374,748,544,915.16/14,969,999.04
  6. Step 6: Final answer
    x = 12,115,882.44

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1.5x scale

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.