Home / 13,971,587.39-19,280,643.30-7,776,535.37

Finding the Fourth Proportional to 13,971,587.39, 19,280,643.30 and 7,776,535.37

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Solution

The fourth proportional to 13,971,587.39, 19,280,643.30 and 7,776,535.37 is: 10,731,536.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971,587.39 : 19,280,643.30 = 7,776,535.37 : x
  2. Step 2: Convert to fraction form
    13,971,587.39/19,280,643.30 = 7,776,535.37/x
  3. Step 3: Cross multiply
    13,971,587.39x = 19,280,643.30 × 7,776,535.37
  4. Step 4: Simplify right side
    13,971,587.39x = 149,936,604,578,803.53
  5. Step 5: Solve for x
    x = 149,936,604,578,803.53/13,971,587.39
  6. Step 6: Final answer
    x = 10,731,536.82

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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.