Home / 13,735,547.76-18,955,009.02-7,540,440.24

Finding the Fourth Proportional to 13,735,547.76, 18,955,009.02 and 7,540,440.24

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Solution

The fourth proportional to 13,735,547.76, 18,955,009.02 and 7,540,440.24 is: 10,405,781.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735,547.76 : 18,955,009.02 = 7,540,440.24 : x
  2. Step 2: Convert to fraction form
    13,735,547.76/18,955,009.02 = 7,540,440.24/x
  3. Step 3: Cross multiply
    13,735,547.76x = 18,955,009.02 × 7,540,440.24
  4. Step 4: Simplify right side
    13,735,547.76x = 142,929,112,763,970.97
  5. Step 5: Solve for x
    x = 142,929,112,763,970.97/13,735,547.76
  6. Step 6: Final answer
    x = 10,405,781.79

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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.