Home / 12,654,038.50-18,984,294.51-3,678,590.50

Finding the Fourth Proportional to 12,654,038.50, 18,984,294.51 and 3,678,590.50

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Solution

The fourth proportional to 12,654,038.50, 18,984,294.51 and 3,678,590.50 is: 5,518,826.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654,038.50 : 18,984,294.51 = 3,678,590.50 : x
  2. Step 2: Convert to fraction form
    12,654,038.50/18,984,294.51 = 3,678,590.50/x
  3. Step 3: Cross multiply
    12,654,038.50x = 18,984,294.51 × 3,678,590.50
  4. Step 4: Simplify right side
    12,654,038.50x = 69,835,445,433,688.16
  5. Step 5: Solve for x
    x = 69,835,445,433,688.16/12,654,038.50
  6. Step 6: Final answer
    x = 5,518,826.69

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1.5x scale

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.