Home / 8,935,006.70-13,402,510.05-7,446,971.90

Finding the Fourth Proportional to 8,935,006.70, 13,402,510.05 and 7,446,971.90

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Solution

The fourth proportional to 8,935,006.70, 13,402,510.05 and 7,446,971.90 is: 11,170,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935,006.70 : 13,402,510.05 = 7,446,971.90 : x
  2. Step 2: Convert to fraction form
    8,935,006.70/13,402,510.05 = 7,446,971.90/x
  3. Step 3: Cross multiply
    8,935,006.70x = 13,402,510.05 × 7,446,971.90
  4. Step 4: Simplify right side
    8,935,006.70x = 99,808,115,731,817.61
  5. Step 5: Solve for x
    x = 99,808,115,731,817.61/8,935,006.70
  6. Step 6: Final answer
    x = 11,170,457.85

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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.