Home / 12,019,176.81-16,586,478.57-6,512,547.39

Finding the Fourth Proportional to 12,019,176.81, 16,586,478.57 and 6,512,547.39

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Solution

The fourth proportional to 12,019,176.81, 16,586,478.57 and 6,512,547.39 is: 8,987,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019,176.81 : 16,586,478.57 = 6,512,547.39 : x
  2. Step 2: Convert to fraction form
    12,019,176.81/16,586,478.57 = 6,512,547.39/x
  3. Step 3: Cross multiply
    12,019,176.81x = 16,586,478.57 × 6,512,547.39
  4. Step 4: Simplify right side
    12,019,176.81x = 108,020,227,687,781.69
  5. Step 5: Solve for x
    x = 108,020,227,687,781.69/12,019,176.81
  6. Step 6: Final answer
    x = 8,987,323.30

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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.