Home / 12,087,308.70-18,130,963.05-4,109,132.70

Finding the Fourth Proportional to 12,087,308.70, 18,130,963.05 and 4,109,132.70

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Solution

The fourth proportional to 12,087,308.70, 18,130,963.05 and 4,109,132.70 is: 6,163,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087,308.70 : 18,130,963.05 = 4,109,132.70 : x
  2. Step 2: Convert to fraction form
    12,087,308.70/18,130,963.05 = 4,109,132.70/x
  3. Step 3: Cross multiply
    12,087,308.70x = 18,130,963.05 × 4,109,132.70
  4. Step 4: Simplify right side
    12,087,308.70x = 74,502,533,151,246.73
  5. Step 5: Solve for x
    x = 74,502,533,151,246.73/12,087,308.70
  6. Step 6: Final answer
    x = 6,163,699.05

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1.5x scale

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.