Home / 14,626,795.64-20,175,258.81-9,406,403.88

Finding the Fourth Proportional to 14,626,795.64, 20,175,258.81 and 9,406,403.88

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Solution

The fourth proportional to 14,626,795.64, 20,175,258.81 and 9,406,403.88 is: 12,974,587.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,626,795.64 : 20,175,258.81 = 9,406,403.88 : x
  2. Step 2: Convert to fraction form
    14,626,795.64/20,175,258.81 = 9,406,403.88/x
  3. Step 3: Cross multiply
    14,626,795.64x = 20,175,258.81 × 9,406,403.88
  4. Step 4: Simplify right side
    14,626,795.64x = 189,776,632,750,388.19
  5. Step 5: Solve for x
    x = 189,776,632,750,388.19/14,626,795.64
  6. Step 6: Final answer
    x = 12,974,587.01

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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.