Home / 14,626,795.14-20,175,258.12-9,406,403.38

Finding the Fourth Proportional to 14,626,795.14, 20,175,258.12 and 9,406,403.38

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Solution

The fourth proportional to 14,626,795.14, 20,175,258.12 and 9,406,403.38 is: 12,974,586.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,626,795.14 : 20,175,258.12 = 9,406,403.38 : x
  2. Step 2: Convert to fraction form
    14,626,795.14/20,175,258.12 = 9,406,403.38/x
  3. Step 3: Cross multiply
    14,626,795.14x = 20,175,258.12 × 9,406,403.38
  4. Step 4: Simplify right side
    14,626,795.14x = 189,776,616,172,340.47
  5. Step 5: Solve for x
    x = 189,776,616,172,340.47/14,626,795.14
  6. Step 6: Final answer
    x = 12,974,586.32

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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.