Home / 10,904,954.40-16,357,431.60-8,779,190.40

Finding the Fourth Proportional to 10,904,954.40, 16,357,431.60 and 8,779,190.40

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Solution

The fourth proportional to 10,904,954.40, 16,357,431.60 and 8,779,190.40 is: 13,168,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904,954.40 : 16,357,431.60 = 8,779,190.40 : x
  2. Step 2: Convert to fraction form
    10,904,954.40/16,357,431.60 = 8,779,190.40/x
  3. Step 3: Cross multiply
    10,904,954.40x = 16,357,431.60 × 8,779,190.40
  4. Step 4: Simplify right side
    10,904,954.40x = 143,605,006,471,376.66
  5. Step 5: Solve for x
    x = 143,605,006,471,376.66/10,904,954.40
  6. Step 6: Final answer
    x = 13,168,785.60

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1.5x scale

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.