Home / 19,254,375.18-28,890,904.50-8,470,274.74

Finding the Fourth Proportional to 19,254,375.18, 28,890,904.50 and 8,470,274.74

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Solution

The fourth proportional to 19,254,375.18, 28,890,904.50 and 8,470,274.74 is: 12,709,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254,375.18 : 28,890,904.50 = 8,470,274.74 : x
  2. Step 2: Convert to fraction form
    19,254,375.18/28,890,904.50 = 8,470,274.74/x
  3. Step 3: Cross multiply
    19,254,375.18x = 28,890,904.50 × 8,470,274.74
  4. Step 4: Simplify right side
    19,254,375.18x = 244,713,898,602,102.34
  5. Step 5: Solve for x
    x = 244,713,898,602,102.34/19,254,375.18
  6. Step 6: Final answer
    x = 12,709,521.67

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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.