Home / 12,457,834.80-18,666,631.80-7,050,404.40

Finding the Fourth Proportional to 12,457,834.80, 18,666,631.80 and 7,050,404.40

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Solution

The fourth proportional to 12,457,834.80, 18,666,631.80 and 7,050,404.40 is: 10,564,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,834.80 : 18,666,631.80 = 7,050,404.40 : x
  2. Step 2: Convert to fraction form
    12,457,834.80/18,666,631.80 = 7,050,404.40/x
  3. Step 3: Cross multiply
    12,457,834.80x = 18,666,631.80 × 7,050,404.40
  4. Step 4: Simplify right side
    12,457,834.80x = 131,607,302,975,899.94
  5. Step 5: Solve for x
    x = 131,607,302,975,899.94/12,457,834.80
  6. Step 6: Final answer
    x = 10,564,219.63

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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.