Home / 18,696,084.19-28,047,762.18-7,180,709.06

Finding the Fourth Proportional to 18,696,084.19, 28,047,762.18 and 7,180,709.06

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Solution

The fourth proportional to 18,696,084.19, 28,047,762.18 and 7,180,709.06 is: 10,772,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,084.19 : 28,047,762.18 = 7,180,709.06 : x
  2. Step 2: Convert to fraction form
    18,696,084.19/28,047,762.18 = 7,180,709.06/x
  3. Step 3: Cross multiply
    18,696,084.19x = 28,047,762.18 × 7,180,709.06
  4. Step 4: Simplify right side
    18,696,084.19x = 201,402,820,068,770.75
  5. Step 5: Solve for x
    x = 201,402,820,068,770.75/18,696,084.19
  6. Step 6: Final answer
    x = 10,772,460.05

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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.