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Finding the Fourth Proportional to 8,908,315.86, 12,293,509.60 and 4,833,934.86

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Solution

The fourth proportional to 8,908,315.86, 12,293,509.60 and 4,833,934.86 is: 6,670,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908,315.86 : 12,293,509.60 = 4,833,934.86 : x
  2. Step 2: Convert to fraction form
    8,908,315.86/12,293,509.60 = 4,833,934.86/x
  3. Step 3: Cross multiply
    8,908,315.86x = 12,293,509.60 × 4,833,934.86
  4. Step 4: Simplify right side
    8,908,315.86x = 59,426,024,607,184.66
  5. Step 5: Solve for x
    x = 59,426,024,607,184.66/8,908,315.86
  6. Step 6: Final answer
    x = 6,670,848.40

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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.