Home / 18,703,492.32-28,030,436.28-9,605,222.40

Finding the Fourth Proportional to 18,703,492.32, 28,030,436.28 and 9,605,222.40

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Solution

The fourth proportional to 18,703,492.32, 28,030,436.28 and 9,605,222.40 is: 14,395,096.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703,492.32 : 28,030,436.28 = 9,605,222.40 : x
  2. Step 2: Convert to fraction form
    18,703,492.32/28,030,436.28 = 9,605,222.40/x
  3. Step 3: Cross multiply
    18,703,492.32x = 28,030,436.28 × 9,605,222.40
  4. Step 4: Simplify right side
    18,703,492.32x = 269,238,574,438,428.69
  5. Step 5: Solve for x
    x = 269,238,574,438,428.69/18,703,492.32
  6. Step 6: Final answer
    x = 14,395,096.37

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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.