Home / 13,875,698.88-19,148,232.51-7,680,612.69

Finding the Fourth Proportional to 13,875,698.88, 19,148,232.51 and 7,680,612.69

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Solution

The fourth proportional to 13,875,698.88, 19,148,232.51 and 7,680,612.69 is: 10,599,117.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875,698.88 : 19,148,232.51 = 7,680,612.69 : x
  2. Step 2: Convert to fraction form
    13,875,698.88/19,148,232.51 = 7,680,612.69/x
  3. Step 3: Cross multiply
    13,875,698.88x = 19,148,232.51 × 7,680,612.69
  4. Step 4: Simplify right side
    13,875,698.88x = 147,070,157,607,376.56
  5. Step 5: Solve for x
    x = 147,070,157,607,376.56/13,875,698.88
  6. Step 6: Final answer
    x = 10,599,117.12

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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.