Home / 9,020,861.52-12,436,746.30-7,166,429.96

Finding the Fourth Proportional to 9,020,861.52, 12,436,746.30 and 7,166,429.96

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Solution

The fourth proportional to 9,020,861.52, 12,436,746.30 and 7,166,429.96 is: 9,880,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020,861.52 : 12,436,746.30 = 7,166,429.96 : x
  2. Step 2: Convert to fraction form
    9,020,861.52/12,436,746.30 = 7,166,429.96/x
  3. Step 3: Cross multiply
    9,020,861.52x = 12,436,746.30 × 7,166,429.96
  4. Step 4: Simplify right side
    9,020,861.52x = 89,127,071,289,239.16
  5. Step 5: Solve for x
    x = 89,127,071,289,239.16/9,020,861.52
  6. Step 6: Final answer
    x = 9,880,106.36

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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.