Home / 9,021,055.12-12,437,012.59-7,166,623.70

Finding the Fourth Proportional to 9,021,055.12, 12,437,012.59 and 7,166,623.70

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Solution

The fourth proportional to 9,021,055.12, 12,437,012.59 and 7,166,623.70 is: 9,880,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,055.12 : 12,437,012.59 = 7,166,623.70 : x
  2. Step 2: Convert to fraction form
    9,021,055.12/12,437,012.59 = 7,166,623.70/x
  3. Step 3: Cross multiply
    9,021,055.12x = 12,437,012.59 × 7,166,623.70
  4. Step 4: Simplify right side
    9,021,055.12x = 89,131,389,197,868.36
  5. Step 5: Solve for x
    x = 89,131,389,197,868.36/9,021,055.12
  6. Step 6: Final answer
    x = 9,880,372.98

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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.