Home / 14,075,007.60-21,087,628.20-12,482,482.80

Finding the Fourth Proportional to 14,075,007.60, 21,087,628.20 and 12,482,482.80

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Solution

The fourth proportional to 14,075,007.60, 21,087,628.20 and 12,482,482.80 is: 18,701,656.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075,007.60 : 21,087,628.20 = 12,482,482.80 : x
  2. Step 2: Convert to fraction form
    14,075,007.60/21,087,628.20 = 12,482,482.80/x
  3. Step 3: Cross multiply
    14,075,007.60x = 21,087,628.20 × 12,482,482.80
  4. Step 4: Simplify right side
    14,075,007.60x = 263,225,956,299,294.97
  5. Step 5: Solve for x
    x = 263,225,956,299,294.97/14,075,007.60
  6. Step 6: Final answer
    x = 18,701,656.42

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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.