Home / 28,363,511.40-42,495,500.70-23,287,338.60

Finding the Fourth Proportional to 28,363,511.40, 42,495,500.70 and 23,287,338.60

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Solution

The fourth proportional to 28,363,511.40, 42,495,500.70 and 23,287,338.60 is: 34,890,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,363,511.40 : 42,495,500.70 = 23,287,338.60 : x
  2. Step 2: Convert to fraction form
    28,363,511.40/42,495,500.70 = 23,287,338.60/x
  3. Step 3: Cross multiply
    28,363,511.40x = 42,495,500.70 × 23,287,338.60
  4. Step 4: Simplify right side
    28,363,511.40x = 989,607,113,777,437.12
  5. Step 5: Solve for x
    x = 989,607,113,777,437.12/28,363,511.40
  6. Step 6: Final answer
    x = 34,890,148.11

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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.