Home / 8,710,145.92-12,020,673.92-5,225,615.36

Finding the Fourth Proportional to 8,710,145.92, 12,020,673.92 and 5,225,615.36

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Solution

The fourth proportional to 8,710,145.92, 12,020,673.92 and 5,225,615.36 is: 7,211,752.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710,145.92 : 12,020,673.92 = 5,225,615.36 : x
  2. Step 2: Convert to fraction form
    8,710,145.92/12,020,673.92 = 5,225,615.36/x
  3. Step 3: Cross multiply
    8,710,145.92x = 12,020,673.92 × 5,225,615.36
  4. Step 4: Simplify right side
    8,710,145.92x = 62,815,418,273,903.41
  5. Step 5: Solve for x
    x = 62,815,418,273,903.41/8,710,145.92
  6. Step 6: Final answer
    x = 7,211,752.69

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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.