Home / 9,721,518.64-13,415,631.92-5,370,885.52

Finding the Fourth Proportional to 9,721,518.64, 13,415,631.92 and 5,370,885.52

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Solution

The fourth proportional to 9,721,518.64, 13,415,631.92 and 5,370,885.52 is: 7,411,786.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721,518.64 : 13,415,631.92 = 5,370,885.52 : x
  2. Step 2: Convert to fraction form
    9,721,518.64/13,415,631.92 = 5,370,885.52/x
  3. Step 3: Cross multiply
    9,721,518.64x = 13,415,631.92 × 5,370,885.52
  4. Step 4: Simplify right side
    9,721,518.64x = 72,053,823,220,777.80
  5. Step 5: Solve for x
    x = 72,053,823,220,777.80/9,721,518.64
  6. Step 6: Final answer
    x = 7,411,786.77

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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.