Home / 9,909,666.20-14,864,499.30-8,870,403.80

Finding the Fourth Proportional to 9,909,666.20, 14,864,499.30 and 8,870,403.80

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Solution

The fourth proportional to 9,909,666.20, 14,864,499.30 and 8,870,403.80 is: 13,305,605.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909,666.20 : 14,864,499.30 = 8,870,403.80 : x
  2. Step 2: Convert to fraction form
    9,909,666.20/14,864,499.30 = 8,870,403.80/x
  3. Step 3: Cross multiply
    9,909,666.20x = 14,864,499.30 × 8,870,403.80
  4. Step 4: Simplify right side
    9,909,666.20x = 131,854,111,075,817.36
  5. Step 5: Solve for x
    x = 131,854,111,075,817.36/9,909,666.20
  6. Step 6: Final answer
    x = 13,305,605.70

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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.