Home / 10,385,931.10-14,332,629.38-5,676,421.72

Finding the Fourth Proportional to 10,385,931.10, 14,332,629.38 and 5,676,421.72

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Solution

The fourth proportional to 10,385,931.10, 14,332,629.38 and 5,676,421.72 is: 7,833,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,931.10 : 14,332,629.38 = 5,676,421.72 : x
  2. Step 2: Convert to fraction form
    10,385,931.10/14,332,629.38 = 5,676,421.72/x
  3. Step 3: Cross multiply
    10,385,931.10x = 14,332,629.38 × 5,676,421.72
  4. Step 4: Simplify right side
    10,385,931.10x = 81,358,048,713,617.41
  5. Step 5: Solve for x
    x = 81,358,048,713,617.41/10,385,931.10
  6. Step 6: Final answer
    x = 7,833,486.28

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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.