Home / 10,429,784.40-15,646,231.80-3,697,669.20

Finding the Fourth Proportional to 10,429,784.40, 15,646,231.80 and 3,697,669.20

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Solution

The fourth proportional to 10,429,784.40, 15,646,231.80 and 3,697,669.20 is: 5,547,055.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,784.40 : 15,646,231.80 = 3,697,669.20 : x
  2. Step 2: Convert to fraction form
    10,429,784.40/15,646,231.80 = 3,697,669.20/x
  3. Step 3: Cross multiply
    10,429,784.40x = 15,646,231.80 × 3,697,669.20
  4. Step 4: Simplify right side
    10,429,784.40x = 57,854,589,422,920.56
  5. Step 5: Solve for x
    x = 57,854,589,422,920.56/10,429,784.40
  6. Step 6: Final answer
    x = 5,547,055.16

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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.