Home / 9,901,478.90-13,666,890.75-5,980,611.98

Finding the Fourth Proportional to 9,901,478.90, 13,666,890.75 and 5,980,611.98

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Solution

The fourth proportional to 9,901,478.90, 13,666,890.75 and 5,980,611.98 is: 8,254,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,901,478.90 : 13,666,890.75 = 5,980,611.98 : x
  2. Step 2: Convert to fraction form
    9,901,478.90/13,666,890.75 = 5,980,611.98/x
  3. Step 3: Cross multiply
    9,901,478.90x = 13,666,890.75 × 5,980,611.98
  4. Step 4: Simplify right side
    9,901,478.90x = 81,736,370,548,801.19
  5. Step 5: Solve for x
    x = 81,736,370,548,801.19/9,901,478.90
  6. Step 6: Final answer
    x = 8,254,965.89

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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.