Home / 13,117,806.02-18,102,603.93-7,316,963.48

Finding the Fourth Proportional to 13,117,806.02, 18,102,603.93 and 7,316,963.48

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Solution

The fourth proportional to 13,117,806.02, 18,102,603.93 and 7,316,963.48 is: 10,097,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117,806.02 : 18,102,603.93 = 7,316,963.48 : x
  2. Step 2: Convert to fraction form
    13,117,806.02/18,102,603.93 = 7,316,963.48/x
  3. Step 3: Cross multiply
    13,117,806.02x = 18,102,603.93 × 7,316,963.48
  4. Step 4: Simplify right side
    13,117,806.02x = 132,456,091,848,714.48
  5. Step 5: Solve for x
    x = 132,456,091,848,714.48/13,117,806.02
  6. Step 6: Final answer
    x = 10,097,427.24

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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.