Home / 19,152,078.30-28,728,117.45-6,372,999.90

Finding the Fourth Proportional to 19,152,078.30, 28,728,117.45 and 6,372,999.90

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Solution

The fourth proportional to 19,152,078.30, 28,728,117.45 and 6,372,999.90 is: 9,559,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,078.30 : 28,728,117.45 = 6,372,999.90 : x
  2. Step 2: Convert to fraction form
    19,152,078.30/28,728,117.45 = 6,372,999.90/x
  3. Step 3: Cross multiply
    19,152,078.30x = 28,728,117.45 × 6,372,999.90
  4. Step 4: Simplify right side
    19,152,078.30x = 183,084,289,636,038.25
  5. Step 5: Solve for x
    x = 183,084,289,636,038.25/19,152,078.30
  6. Step 6: Final answer
    x = 9,559,499.85

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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.