Home / 18,838,580.16-28,262,084.16-6,871,316.16

Finding the Fourth Proportional to 18,838,580.16, 28,262,084.16 and 6,871,316.16

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Solution

The fourth proportional to 18,838,580.16, 28,262,084.16 and 6,871,316.16 is: 10,308,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838,580.16 : 28,262,084.16 = 6,871,316.16 : x
  2. Step 2: Convert to fraction form
    18,838,580.16/28,262,084.16 = 6,871,316.16/x
  3. Step 3: Cross multiply
    18,838,580.16x = 28,262,084.16 × 6,871,316.16
  4. Step 4: Simplify right side
    18,838,580.16x = 194,197,715,603,888.03
  5. Step 5: Solve for x
    x = 194,197,715,603,888.03/18,838,580.16
  6. Step 6: Final answer
    x = 10,308,511.25

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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.