Home / 11,039,842.80-16,528,271.40-9,780,130.80

Finding the Fourth Proportional to 11,039,842.80, 16,528,271.40 and 9,780,130.80

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Solution

The fourth proportional to 11,039,842.80, 16,528,271.40 and 9,780,130.80 is: 14,642,296.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039,842.80 : 16,528,271.40 = 9,780,130.80 : x
  2. Step 2: Convert to fraction form
    11,039,842.80/16,528,271.40 = 9,780,130.80/x
  3. Step 3: Cross multiply
    11,039,842.80x = 16,528,271.40 × 9,780,130.80
  4. Step 4: Simplify right side
    11,039,842.80x = 161,648,656,189,899.12
  5. Step 5: Solve for x
    x = 161,648,656,189,899.12/11,039,842.80
  6. Step 6: Final answer
    x = 14,642,296.92

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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.