Home / 19,010,211.60-28,516,993.74-5,363,477.40

Finding the Fourth Proportional to 19,010,211.60, 28,516,993.74 and 5,363,477.40

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Solution

The fourth proportional to 19,010,211.60, 28,516,993.74 and 5,363,477.40 is: 8,045,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010,211.60 : 28,516,993.74 = 5,363,477.40 : x
  2. Step 2: Convert to fraction form
    19,010,211.60/28,516,993.74 = 5,363,477.40/x
  3. Step 3: Cross multiply
    19,010,211.60x = 28,516,993.74 × 5,363,477.40
  4. Step 4: Simplify right side
    19,010,211.60x = 152,950,251,440,431.47
  5. Step 5: Solve for x
    x = 152,950,251,440,431.47/19,010,211.60
  6. Step 6: Final answer
    x = 8,045,689.06

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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.