Home / 12,424,043.40-17,145,144.90-6,991,535.40

Finding the Fourth Proportional to 12,424,043.40, 17,145,144.90 and 6,991,535.40

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Solution

The fourth proportional to 12,424,043.40, 17,145,144.90 and 6,991,535.40 is: 9,648,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424,043.40 : 17,145,144.90 = 6,991,535.40 : x
  2. Step 2: Convert to fraction form
    12,424,043.40/17,145,144.90 = 6,991,535.40/x
  3. Step 3: Cross multiply
    12,424,043.40x = 17,145,144.90 × 6,991,535.40
  4. Step 4: Simplify right side
    12,424,043.40x = 119,870,887,506,479.45
  5. Step 5: Solve for x
    x = 119,870,887,506,479.45/12,424,043.40
  6. Step 6: Final answer
    x = 9,648,299.16

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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.