Home / 28,759,757.40-43,139,636.10-8,289,437.40

Finding the Fourth Proportional to 28,759,757.40, 43,139,636.10 and 8,289,437.40

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Solution

The fourth proportional to 28,759,757.40, 43,139,636.10 and 8,289,437.40 is: 12,434,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,759,757.40 : 43,139,636.10 = 8,289,437.40 : x
  2. Step 2: Convert to fraction form
    28,759,757.40/43,139,636.10 = 8,289,437.40/x
  3. Step 3: Cross multiply
    28,759,757.40x = 43,139,636.10 × 8,289,437.40
  4. Step 4: Simplify right side
    28,759,757.40x = 357,603,312,909,730.19
  5. Step 5: Solve for x
    x = 357,603,312,909,730.19/28,759,757.40
  6. Step 6: Final answer
    x = 12,434,156.10

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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.