Home / 7,036,765.88-9,710,671.29-3,980,980.13

Finding the Fourth Proportional to 7,036,765.88, 9,710,671.29 and 3,980,980.13

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Solution

The fourth proportional to 7,036,765.88, 9,710,671.29 and 3,980,980.13 is: 5,493,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,036,765.88 : 9,710,671.29 = 3,980,980.13 : x
  2. Step 2: Convert to fraction form
    7,036,765.88/9,710,671.29 = 3,980,980.13/x
  3. Step 3: Cross multiply
    7,036,765.88x = 9,710,671.29 × 3,980,980.13
  4. Step 4: Simplify right side
    7,036,765.88x = 38,657,989,405,898.11
  5. Step 5: Solve for x
    x = 38,657,989,405,898.11/7,036,765.88
  6. Step 6: Final answer
    x = 5,493,715.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.