Home / 25,272,429.30-37,908,643.95-21,020,901.30

Finding the Fourth Proportional to 25,272,429.30, 37,908,643.95 and 21,020,901.30

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Solution

The fourth proportional to 25,272,429.30, 37,908,643.95 and 21,020,901.30 is: 31,531,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,272,429.30 : 37,908,643.95 = 21,020,901.30 : x
  2. Step 2: Convert to fraction form
    25,272,429.30/37,908,643.95 = 21,020,901.30/x
  3. Step 3: Cross multiply
    25,272,429.30x = 37,908,643.95 × 21,020,901.30
  4. Step 4: Simplify right side
    25,272,429.30x = 796,873,862,889,792.25
  5. Step 5: Solve for x
    x = 796,873,862,889,792.25/25,272,429.30
  6. Step 6: Final answer
    x = 31,531,351.95

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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.