Home / 12,993,971.26-19,510,117.80-7,247,931.52

Finding the Fourth Proportional to 12,993,971.26, 19,510,117.80 and 7,247,931.52

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Solution

The fourth proportional to 12,993,971.26, 19,510,117.80 and 7,247,931.52 is: 10,882,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993,971.26 : 19,510,117.80 = 7,247,931.52 : x
  2. Step 2: Convert to fraction form
    12,993,971.26/19,510,117.80 = 7,247,931.52/x
  3. Step 3: Cross multiply
    12,993,971.26x = 19,510,117.80 × 7,247,931.52
  4. Step 4: Simplify right side
    12,993,971.26x = 141,407,997,761,533.06
  5. Step 5: Solve for x
    x = 141,407,997,761,533.06/12,993,971.26
  6. Step 6: Final answer
    x = 10,882,585.08

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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.