Home / 15,470,048.81-21,347,417.61-8,944,098.91

Finding the Fourth Proportional to 15,470,048.81, 21,347,417.61 and 8,944,098.91

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Solution

The fourth proportional to 15,470,048.81, 21,347,417.61 and 8,944,098.91 is: 12,342,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,470,048.81 : 21,347,417.61 = 8,944,098.91 : x
  2. Step 2: Convert to fraction form
    15,470,048.81/21,347,417.61 = 8,944,098.91/x
  3. Step 3: Cross multiply
    15,470,048.81x = 21,347,417.61 × 8,944,098.91
  4. Step 4: Simplify right side
    15,470,048.81x = 190,933,414,523,547.28
  5. Step 5: Solve for x
    x = 190,933,414,523,547.28/15,470,048.81
  6. Step 6: Final answer
    x = 12,342,133.94

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1.5x scale

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.