Home / 12,158,888.56-16,777,047.90-6,931,674.16

Finding the Fourth Proportional to 12,158,888.56, 16,777,047.90 and 6,931,674.16

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Solution

The fourth proportional to 12,158,888.56, 16,777,047.90 and 6,931,674.16 is: 9,564,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,158,888.56 : 16,777,047.90 = 6,931,674.16 : x
  2. Step 2: Convert to fraction form
    12,158,888.56/16,777,047.90 = 6,931,674.16/x
  3. Step 3: Cross multiply
    12,158,888.56x = 16,777,047.90 × 6,931,674.16
  4. Step 4: Simplify right side
    12,158,888.56x = 116,293,029,409,512.27
  5. Step 5: Solve for x
    x = 116,293,029,409,512.27/12,158,888.56
  6. Step 6: Final answer
    x = 9,564,445.70

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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.