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Finding the Fourth Proportional to 9,710,659, 13,400,709.42 and 5,418,307

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Solution

The fourth proportional to 9,710,659, 13,400,709.42 and 5,418,307 is: 7,477,263.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,710,659 : 13,400,709.42 = 5,418,307 : x
  2. Step 2: Convert to fraction form
    9,710,659/13,400,709.42 = 5,418,307/x
  3. Step 3: Cross multiply
    9,710,659x = 13,400,709.42 × 5,418,307
  4. Step 4: Simplify right side
    9,710,659x = 72,609,157,655,351.94
  5. Step 5: Solve for x
    x = 72,609,157,655,351.94/9,710,659
  6. Step 6: Final answer
    x = 7,477,263.66

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1.5x scale

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.