Home / 13,824,075.40-20,736,113.10-12,879,291.40

Finding the Fourth Proportional to 13,824,075.40, 20,736,113.10 and 12,879,291.40

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Solution

The fourth proportional to 13,824,075.40, 20,736,113.10 and 12,879,291.40 is: 19,318,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,075.40 : 20,736,113.10 = 12,879,291.40 : x
  2. Step 2: Convert to fraction form
    13,824,075.40/20,736,113.10 = 12,879,291.40/x
  3. Step 3: Cross multiply
    13,824,075.40x = 20,736,113.10 × 12,879,291.40
  4. Step 4: Simplify right side
    13,824,075.40x = 267,066,443,118,257.38
  5. Step 5: Solve for x
    x = 267,066,443,118,257.38/13,824,075.40
  6. Step 6: Final answer
    x = 19,318,937.10

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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.