Home / 18,931,674.77-28,397,512-4,554,742.40

Finding the Fourth Proportional to 18,931,674.77, 28,397,512 and 4,554,742.40

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Solution

The fourth proportional to 18,931,674.77, 28,397,512 and 4,554,742.40 is: 6,832,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931,674.77 : 28,397,512 = 4,554,742.40 : x
  2. Step 2: Convert to fraction form
    18,931,674.77/28,397,512 = 4,554,742.40/x
  3. Step 3: Cross multiply
    18,931,674.77x = 28,397,512 × 4,554,742.40
  4. Step 4: Simplify right side
    18,931,674.77x = 129,343,351,960,908.81
  5. Step 5: Solve for x
    x = 129,343,351,960,908.81/18,931,674.77
  6. Step 6: Final answer
    x = 6,832,113.56

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1.5x scale

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.