Home / 12,154,746.85-16,769,909.14-6,997,975.81

Finding the Fourth Proportional to 12,154,746.85, 16,769,909.14 and 6,997,975.81

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Solution

The fourth proportional to 12,154,746.85, 16,769,909.14 and 6,997,975.81 is: 9,655,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,746.85 : 16,769,909.14 = 6,997,975.81 : x
  2. Step 2: Convert to fraction form
    12,154,746.85/16,769,909.14 = 6,997,975.81/x
  3. Step 3: Cross multiply
    12,154,746.85x = 16,769,909.14 × 6,997,975.81
  4. Step 4: Simplify right side
    12,154,746.85x = 117,355,418,438,198.19
  5. Step 5: Solve for x
    x = 117,355,418,438,198.19/12,154,746.85
  6. Step 6: Final answer
    x = 9,655,110.05

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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.