Home / 8,303,763.40-12,455,645.10-6,981,065.80

Finding the Fourth Proportional to 8,303,763.40, 12,455,645.10 and 6,981,065.80

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Solution

The fourth proportional to 8,303,763.40, 12,455,645.10 and 6,981,065.80 is: 10,471,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,763.40 : 12,455,645.10 = 6,981,065.80 : x
  2. Step 2: Convert to fraction form
    8,303,763.40/12,455,645.10 = 6,981,065.80/x
  3. Step 3: Cross multiply
    8,303,763.40x = 12,455,645.10 × 6,981,065.80
  4. Step 4: Simplify right side
    8,303,763.40x = 86,953,678,024,547.58
  5. Step 5: Solve for x
    x = 86,953,678,024,547.58/8,303,763.40
  6. Step 6: Final answer
    x = 10,471,598.70

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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.