Home / 12,090,641.04-16,683,814.08-6,861,986.28

Finding the Fourth Proportional to 12,090,641.04, 16,683,814.08 and 6,861,986.28

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Solution

The fourth proportional to 12,090,641.04, 16,683,814.08 and 6,861,986.28 is: 9,468,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090,641.04 : 16,683,814.08 = 6,861,986.28 : x
  2. Step 2: Convert to fraction form
    12,090,641.04/16,683,814.08 = 6,861,986.28/x
  3. Step 3: Cross multiply
    12,090,641.04x = 16,683,814.08 × 6,861,986.28
  4. Step 4: Simplify right side
    12,090,641.04x = 114,484,103,315,030.83
  5. Step 5: Solve for x
    x = 114,484,103,315,030.83/12,090,641.04
  6. Step 6: Final answer
    x = 9,468,819.97

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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.