Home / 19,280,551.19-28,920,701.93-4,903,494.78

Finding the Fourth Proportional to 19,280,551.19, 28,920,701.93 and 4,903,494.78

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Solution

The fourth proportional to 19,280,551.19, 28,920,701.93 and 4,903,494.78 is: 7,355,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280,551.19 : 28,920,701.93 = 4,903,494.78 : x
  2. Step 2: Convert to fraction form
    19,280,551.19/28,920,701.93 = 4,903,494.78/x
  3. Step 3: Cross multiply
    19,280,551.19x = 28,920,701.93 × 4,903,494.78
  4. Step 4: Simplify right side
    19,280,551.19x = 141,812,510,923,173.47
  5. Step 5: Solve for x
    x = 141,812,510,923,173.47/19,280,551.19
  6. Step 6: Final answer
    x = 7,355,210.42

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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.