Home / 10,931,065.90-16,396,598.85-10,109,920.30

Finding the Fourth Proportional to 10,931,065.90, 16,396,598.85 and 10,109,920.30

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Solution

The fourth proportional to 10,931,065.90, 16,396,598.85 and 10,109,920.30 is: 15,164,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,065.90 : 16,396,598.85 = 10,109,920.30 : x
  2. Step 2: Convert to fraction form
    10,931,065.90/16,396,598.85 = 10,109,920.30/x
  3. Step 3: Cross multiply
    10,931,065.90x = 16,396,598.85 × 10,109,920.30
  4. Step 4: Simplify right side
    10,931,065.90x = 165,768,307,564,571.66
  5. Step 5: Solve for x
    x = 165,768,307,564,571.66/10,931,065.90
  6. Step 6: Final answer
    x = 15,164,880.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.