Home / 25,889,628.80-38,859,326.40-13,124,547.20

Finding the Fourth Proportional to 25,889,628.80, 38,859,326.40 and 13,124,547.20

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Solution

The fourth proportional to 25,889,628.80, 38,859,326.40 and 13,124,547.20 is: 19,699,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,889,628.80 : 38,859,326.40 = 13,124,547.20 : x
  2. Step 2: Convert to fraction form
    25,889,628.80/38,859,326.40 = 13,124,547.20/x
  3. Step 3: Cross multiply
    25,889,628.80x = 38,859,326.40 × 13,124,547.20
  4. Step 4: Simplify right side
    25,889,628.80x = 510,011,063,497,006.06
  5. Step 5: Solve for x
    x = 510,011,063,497,006.06/25,889,628.80
  6. Step 6: Final answer
    x = 19,699,435.15

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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.