Home / 19,280,548.19-28,920,697.43-4,903,491.78

Finding the Fourth Proportional to 19,280,548.19, 28,920,697.43 and 4,903,491.78

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Solution

The fourth proportional to 19,280,548.19, 28,920,697.43 and 4,903,491.78 is: 7,355,205.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280,548.19 : 28,920,697.43 = 4,903,491.78 : x
  2. Step 2: Convert to fraction form
    19,280,548.19/28,920,697.43 = 4,903,491.78/x
  3. Step 3: Cross multiply
    19,280,548.19x = 28,920,697.43 × 4,903,491.78
  4. Step 4: Simplify right side
    19,280,548.19x = 141,812,402,095,354.69
  5. Step 5: Solve for x
    x = 141,812,402,095,354.69/19,280,548.19
  6. Step 6: Final answer
    x = 7,355,205.92

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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.