Home / 13,127,287.94-18,117,483.24-7,326,443.35

Finding the Fourth Proportional to 13,127,287.94, 18,117,483.24 and 7,326,443.35

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Solution

The fourth proportional to 13,127,287.94, 18,117,483.24 and 7,326,443.35 is: 10,111,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127,287.94 : 18,117,483.24 = 7,326,443.35 : x
  2. Step 2: Convert to fraction form
    13,127,287.94/18,117,483.24 = 7,326,443.35/x
  3. Step 3: Cross multiply
    13,127,287.94x = 18,117,483.24 × 7,326,443.35
  4. Step 4: Simplify right side
    13,127,287.94x = 132,736,714,602,434.44
  5. Step 5: Solve for x
    x = 132,736,714,602,434.44/13,127,287.94
  6. Step 6: Final answer
    x = 10,111,510.86

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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.