Home / 10,137,333.84-15,249,152.16-9,189,222.72

Finding the Fourth Proportional to 10,137,333.84, 15,249,152.16 and 9,189,222.72

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Solution

The fourth proportional to 10,137,333.84, 15,249,152.16 and 9,189,222.72 is: 13,822,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137,333.84 : 15,249,152.16 = 9,189,222.72 : x
  2. Step 2: Convert to fraction form
    10,137,333.84/15,249,152.16 = 9,189,222.72/x
  3. Step 3: Cross multiply
    10,137,333.84x = 15,249,152.16 × 9,189,222.72
  4. Step 4: Simplify right side
    10,137,333.84x = 140,127,855,489,409.09
  5. Step 5: Solve for x
    x = 140,127,855,489,409.09/10,137,333.84
  6. Step 6: Final answer
    x = 13,822,949.67

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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.