Home / 28,733,070.40-43,099,492.20-8,538,312.40

Finding the Fourth Proportional to 28,733,070.40, 43,099,492.20 and 8,538,312.40

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Solution

The fourth proportional to 28,733,070.40, 43,099,492.20 and 8,538,312.40 is: 12,807,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733,070.40 : 43,099,492.20 = 8,538,312.40 : x
  2. Step 2: Convert to fraction form
    28,733,070.40/43,099,492.20 = 8,538,312.40/x
  3. Step 3: Cross multiply
    28,733,070.40x = 43,099,492.20 × 8,538,312.40
  4. Step 4: Simplify right side
    28,733,070.40x = 367,996,928,684,963.31
  5. Step 5: Solve for x
    x = 367,996,928,684,963.31/28,733,070.40
  6. Step 6: Final answer
    x = 12,807,434.90

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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.