Home / 15,615,955.04-21,550,013.16-8,740,435.28

Finding the Fourth Proportional to 15,615,955.04, 21,550,013.16 and 8,740,435.28

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Solution

The fourth proportional to 15,615,955.04, 21,550,013.16 and 8,740,435.28 is: 12,061,798.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615,955.04 : 21,550,013.16 = 8,740,435.28 : x
  2. Step 2: Convert to fraction form
    15,615,955.04/21,550,013.16 = 8,740,435.28/x
  3. Step 3: Cross multiply
    15,615,955.04x = 21,550,013.16 × 8,740,435.28
  4. Step 4: Simplify right side
    15,615,955.04x = 188,356,495,308,128.28
  5. Step 5: Solve for x
    x = 188,356,495,308,128.28/15,615,955.04
  6. Step 6: Final answer
    x = 12,061,798.00

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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.