Home / 13,211,394.78-19,812,336.05-4,573,148.16

Finding the Fourth Proportional to 13,211,394.78, 19,812,336.05 and 4,573,148.16

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Solution

The fourth proportional to 13,211,394.78, 19,812,336.05 and 4,573,148.16 is: 6,858,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211,394.78 : 19,812,336.05 = 4,573,148.16 : x
  2. Step 2: Convert to fraction form
    13,211,394.78/19,812,336.05 = 4,573,148.16/x
  3. Step 3: Cross multiply
    13,211,394.78x = 19,812,336.05 × 4,573,148.16
  4. Step 4: Simplify right side
    13,211,394.78x = 90,604,748,163,792.03
  5. Step 5: Solve for x
    x = 90,604,748,163,792.03/13,211,394.78
  6. Step 6: Final answer
    x = 6,858,075.90

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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.