Home / 21,984,385.40-32,976,578.10-9,219,303.80

Finding the Fourth Proportional to 21,984,385.40, 32,976,578.10 and 9,219,303.80

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Solution

The fourth proportional to 21,984,385.40, 32,976,578.10 and 9,219,303.80 is: 13,828,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984,385.40 : 32,976,578.10 = 9,219,303.80 : x
  2. Step 2: Convert to fraction form
    21,984,385.40/32,976,578.10 = 9,219,303.80/x
  3. Step 3: Cross multiply
    21,984,385.40x = 32,976,578.10 × 9,219,303.80
  4. Step 4: Simplify right side
    21,984,385.40x = 304,021,091,788,326.81
  5. Step 5: Solve for x
    x = 304,021,091,788,326.81/21,984,385.40
  6. Step 6: Final answer
    x = 13,828,955.70

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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.