Home / 12,020,875.13-16,586,362.90-7,123,942.37

Finding the Fourth Proportional to 12,020,875.13, 16,586,362.90 and 7,123,942.37

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Solution

The fourth proportional to 12,020,875.13, 16,586,362.90 and 7,123,942.37 is: 9,829,591.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,875.13 : 16,586,362.90 = 7,123,942.37 : x
  2. Step 2: Convert to fraction form
    12,020,875.13/16,586,362.90 = 7,123,942.37/x
  3. Step 3: Cross multiply
    12,020,875.13x = 16,586,362.90 × 7,123,942.37
  4. Step 4: Simplify right side
    12,020,875.13x = 118,160,293,427,506.08
  5. Step 5: Solve for x
    x = 118,160,293,427,506.08/12,020,875.13
  6. Step 6: Final answer
    x = 9,829,591.62

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1.5x scale

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.