Home / 18,886,354.53-28,334,482.51-5,931,981.93

Finding the Fourth Proportional to 18,886,354.53, 28,334,482.51 and 5,931,981.93

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Solution

The fourth proportional to 18,886,354.53, 28,334,482.51 and 5,931,981.93 is: 8,899,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,886,354.53 : 28,334,482.51 = 5,931,981.93 : x
  2. Step 2: Convert to fraction form
    18,886,354.53/28,334,482.51 = 5,931,981.93/x
  3. Step 3: Cross multiply
    18,886,354.53x = 28,334,482.51 × 5,931,981.93
  4. Step 4: Simplify right side
    18,886,354.53x = 168,079,638,245,221.03
  5. Step 5: Solve for x
    x = 168,079,638,245,221.03/18,886,354.53
  6. Step 6: Final answer
    x = 8,899,527.86

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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.