Home / 19,280,549.70-28,920,699.68-4,903,493.26

Finding the Fourth Proportional to 19,280,549.70, 28,920,699.68 and 4,903,493.26

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Solution

The fourth proportional to 19,280,549.70, 28,920,699.68 and 4,903,493.26 is: 7,355,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280,549.70 : 28,920,699.68 = 4,903,493.26 : x
  2. Step 2: Convert to fraction form
    19,280,549.70/28,920,699.68 = 4,903,493.26/x
  3. Step 3: Cross multiply
    19,280,549.70x = 28,920,699.68 × 4,903,493.26
  4. Step 4: Simplify right side
    19,280,549.70x = 141,812,455,955,364.16
  5. Step 5: Solve for x
    x = 141,812,455,955,364.16/19,280,549.70
  6. Step 6: Final answer
    x = 7,355,208.13

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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.