Home / 10,920,918.40-16,412,870.40-9,535,235.20

Finding the Fourth Proportional to 10,920,918.40, 16,412,870.40 and 9,535,235.20

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Solution

The fourth proportional to 10,920,918.40, 16,412,870.40 and 9,535,235.20 is: 14,330,349.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920,918.40 : 16,412,870.40 = 9,535,235.20 : x
  2. Step 2: Convert to fraction form
    10,920,918.40/16,412,870.40 = 9,535,235.20/x
  3. Step 3: Cross multiply
    10,920,918.40x = 16,412,870.40 × 9,535,235.20
  4. Step 4: Simplify right side
    10,920,918.40x = 156,500,579,571,118.06
  5. Step 5: Solve for x
    x = 156,500,579,571,118.06/10,920,918.40
  6. Step 6: Final answer
    x = 14,330,349.69

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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.