Home / 28,066,538.40-42,099,807.60-8,897,264.70

Finding the Fourth Proportional to 28,066,538.40, 42,099,807.60 and 8,897,264.70

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Solution

The fourth proportional to 28,066,538.40, 42,099,807.60 and 8,897,264.70 is: 13,345,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,066,538.40 : 42,099,807.60 = 8,897,264.70 : x
  2. Step 2: Convert to fraction form
    28,066,538.40/42,099,807.60 = 8,897,264.70/x
  3. Step 3: Cross multiply
    28,066,538.40x = 42,099,807.60 × 8,897,264.70
  4. Step 4: Simplify right side
    28,066,538.40x = 374,573,132,036,271.69
  5. Step 5: Solve for x
    x = 374,573,132,036,271.69/28,066,538.40
  6. Step 6: Final answer
    x = 13,345,897.05

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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.