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Finding the Fourth Proportional to 9,357,671.90, 14,035,471.05 and 7,671,835.10

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Solution

The fourth proportional to 9,357,671.90, 14,035,471.05 and 7,671,835.10 is: 11,506,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,357,671.90 : 14,035,471.05 = 7,671,835.10 : x
  2. Step 2: Convert to fraction form
    9,357,671.90/14,035,471.05 = 7,671,835.10/x
  3. Step 3: Cross multiply
    9,357,671.90x = 14,035,471.05 × 7,671,835.10
  4. Step 4: Simplify right side
    9,357,671.90x = 107,677,819,446,423.86
  5. Step 5: Solve for x
    x = 107,677,819,446,423.86/9,357,671.90
  6. Step 6: Final answer
    x = 11,506,902.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.