Home / 7,219,203.60-10,828,805.40-7,169,437.20

Finding the Fourth Proportional to 7,219,203.60, 10,828,805.40 and 7,169,437.20

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Solution

The fourth proportional to 7,219,203.60, 10,828,805.40 and 7,169,437.20 is: 10,754,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,203.60 : 10,828,805.40 = 7,169,437.20 : x
  2. Step 2: Convert to fraction form
    7,219,203.60/10,828,805.40 = 7,169,437.20/x
  3. Step 3: Cross multiply
    7,219,203.60x = 10,828,805.40 × 7,169,437.20
  4. Step 4: Simplify right side
    7,219,203.60x = 77,636,440,266,320.89
  5. Step 5: Solve for x
    x = 77,636,440,266,320.89/7,219,203.60
  6. Step 6: Final answer
    x = 10,754,155.80

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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.