Home / 13,046,730.90-18,013,495.95-8,154,152.19

Finding the Fourth Proportional to 13,046,730.90, 18,013,495.95 and 8,154,152.19

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Solution

The fourth proportional to 13,046,730.90, 18,013,495.95 and 8,154,152.19 is: 11,258,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046,730.90 : 18,013,495.95 = 8,154,152.19 : x
  2. Step 2: Convert to fraction form
    13,046,730.90/18,013,495.95 = 8,154,152.19/x
  3. Step 3: Cross multiply
    13,046,730.90x = 18,013,495.95 × 8,154,152.19
  4. Step 4: Simplify right side
    13,046,730.90x = 146,884,787,450,248.62
  5. Step 5: Solve for x
    x = 146,884,787,450,248.62/13,046,730.90
  6. Step 6: Final answer
    x = 11,258,359.55

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1.5x scale

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.