Home / 15,178,547.30-20,946,561.46-8,303,029.43

Finding the Fourth Proportional to 15,178,547.30, 20,946,561.46 and 8,303,029.43

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Solution

The fourth proportional to 15,178,547.30, 20,946,561.46 and 8,303,029.43 is: 11,458,271.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178,547.30 : 20,946,561.46 = 8,303,029.43 : x
  2. Step 2: Convert to fraction form
    15,178,547.30/20,946,561.46 = 8,303,029.43/x
  3. Step 3: Cross multiply
    15,178,547.30x = 20,946,561.46 × 8,303,029.43
  4. Step 4: Simplify right side
    15,178,547.30x = 173,919,916,134,193.38
  5. Step 5: Solve for x
    x = 173,919,916,134,193.38/15,178,547.30
  6. Step 6: Final answer
    x = 11,458,271.52

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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.