Home / 12,688,084.16-17,509,570.34-6,886,864.37

Finding the Fourth Proportional to 12,688,084.16, 17,509,570.34 and 6,886,864.37

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Solution

The fourth proportional to 12,688,084.16, 17,509,570.34 and 6,886,864.37 is: 9,503,880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,084.16 : 17,509,570.34 = 6,886,864.37 : x
  2. Step 2: Convert to fraction form
    12,688,084.16/17,509,570.34 = 6,886,864.37/x
  3. Step 3: Cross multiply
    12,688,084.16x = 17,509,570.34 × 6,886,864.37
  4. Step 4: Simplify right side
    12,688,084.16x = 120,586,036,019,403.06
  5. Step 5: Solve for x
    x = 120,586,036,019,403.06/12,688,084.16
  6. Step 6: Final answer
    x = 9,503,880.53

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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.