Home / 13,849,986.78-20,775,275.40-4,752,044.88

Finding the Fourth Proportional to 13,849,986.78, 20,775,275.40 and 4,752,044.88

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Solution

The fourth proportional to 13,849,986.78, 20,775,275.40 and 4,752,044.88 is: 7,128,168.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849,986.78 : 20,775,275.40 = 4,752,044.88 : x
  2. Step 2: Convert to fraction form
    13,849,986.78/20,775,275.40 = 4,752,044.88/x
  3. Step 3: Cross multiply
    13,849,986.78x = 20,775,275.40 × 4,752,044.88
  4. Step 4: Simplify right side
    13,849,986.78x = 98,725,041,095,159.94
  5. Step 5: Solve for x
    x = 98,725,041,095,159.94/13,849,986.78
  6. Step 6: Final answer
    x = 7,128,168.62

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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.