Home / 18,303,018.60-25,258,155.76-10,043,135.12

Finding the Fourth Proportional to 18,303,018.60, 25,258,155.76 and 10,043,135.12

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Solution

The fourth proportional to 18,303,018.60, 25,258,155.76 and 10,043,135.12 is: 13,859,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303,018.60 : 25,258,155.76 = 10,043,135.12 : x
  2. Step 2: Convert to fraction form
    18,303,018.60/25,258,155.76 = 10,043,135.12/x
  3. Step 3: Cross multiply
    18,303,018.60x = 25,258,155.76 × 10,043,135.12
  4. Step 4: Simplify right side
    18,303,018.60x = 253,671,071,179,686.28
  5. Step 5: Solve for x
    x = 253,671,071,179,686.28/18,303,018.60
  6. Step 6: Final answer
    x = 13,859,521.03

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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.