Home / 12,287,068.80-18,407,102.40-6,605,404.80

Finding the Fourth Proportional to 12,287,068.80, 18,407,102.40 and 6,605,404.80

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Solution

The fourth proportional to 12,287,068.80, 18,407,102.40 and 6,605,404.80 is: 9,895,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287,068.80 : 18,407,102.40 = 6,605,404.80 : x
  2. Step 2: Convert to fraction form
    12,287,068.80/18,407,102.40 = 6,605,404.80/x
  3. Step 3: Cross multiply
    12,287,068.80x = 18,407,102.40 × 6,605,404.80
  4. Step 4: Simplify right side
    12,287,068.80x = 121,586,362,547,051.50
  5. Step 5: Solve for x
    x = 121,586,362,547,051.50/12,287,068.80
  6. Step 6: Final answer
    x = 9,895,473.41

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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.