Home / 28,371,964.50-39,153,354.75-16,148,821.50

Finding the Fourth Proportional to 28,371,964.50, 39,153,354.75 and 16,148,821.50

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Solution

The fourth proportional to 28,371,964.50, 39,153,354.75 and 16,148,821.50 is: 22,285,398.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371,964.50 : 39,153,354.75 = 16,148,821.50 : x
  2. Step 2: Convert to fraction form
    28,371,964.50/39,153,354.75 = 16,148,821.50/x
  3. Step 3: Cross multiply
    28,371,964.50x = 39,153,354.75 × 16,148,821.50
  4. Step 4: Simplify right side
    28,371,964.50x = 632,280,536,983,927.12
  5. Step 5: Solve for x
    x = 632,280,536,983,927.12/28,371,964.50
  6. Step 6: Final answer
    x = 22,285,398.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.