Home / 12,137,918.04-18,209,501.46-6,457,316.76

Finding the Fourth Proportional to 12,137,918.04, 18,209,501.46 and 6,457,316.76

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Solution

The fourth proportional to 12,137,918.04, 18,209,501.46 and 6,457,316.76 is: 9,687,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137,918.04 : 18,209,501.46 = 6,457,316.76 : x
  2. Step 2: Convert to fraction form
    12,137,918.04/18,209,501.46 = 6,457,316.76/x
  3. Step 3: Cross multiply
    12,137,918.04x = 18,209,501.46 × 6,457,316.76
  4. Step 4: Simplify right side
    12,137,918.04x = 117,584,518,968,902.47
  5. Step 5: Solve for x
    x = 117,584,518,968,902.47/12,137,918.04
  6. Step 6: Final answer
    x = 9,687,371.31

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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.