Home / 13,490,948.59-18,617,564.75-7,295,995.15

Finding the Fourth Proportional to 13,490,948.59, 18,617,564.75 and 7,295,995.15

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Solution

The fourth proportional to 13,490,948.59, 18,617,564.75 and 7,295,995.15 is: 10,068,503.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,490,948.59 : 18,617,564.75 = 7,295,995.15 : x
  2. Step 2: Convert to fraction form
    13,490,948.59/18,617,564.75 = 7,295,995.15/x
  3. Step 3: Cross multiply
    13,490,948.59x = 18,617,564.75 × 7,295,995.15
  4. Step 4: Simplify right side
    13,490,948.59x = 135,833,662,037,787.08
  5. Step 5: Solve for x
    x = 135,833,662,037,787.08/13,490,948.59
  6. Step 6: Final answer
    x = 10,068,503.42

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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.