Home / 18,578,825.47-25,638,069.93-10,319,417.52

Finding the Fourth Proportional to 18,578,825.47, 25,638,069.93 and 10,319,417.52

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Solution

The fourth proportional to 18,578,825.47, 25,638,069.93 and 10,319,417.52 is: 14,240,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578,825.47 : 25,638,069.93 = 10,319,417.52 : x
  2. Step 2: Convert to fraction form
    18,578,825.47/25,638,069.93 = 10,319,417.52/x
  3. Step 3: Cross multiply
    18,578,825.47x = 25,638,069.93 × 10,319,417.52
  4. Step 4: Simplify right side
    18,578,825.47x = 264,569,947,937,833.31
  5. Step 5: Solve for x
    x = 264,569,947,937,833.31/18,578,825.47
  6. Step 6: Final answer
    x = 14,240,402.25

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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.