Home / 19,681,855.60-29,522,783.40-18,926,028.40

Finding the Fourth Proportional to 19,681,855.60, 29,522,783.40 and 18,926,028.40

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Solution

The fourth proportional to 19,681,855.60, 29,522,783.40 and 18,926,028.40 is: 28,389,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,855.60 : 29,522,783.40 = 18,926,028.40 : x
  2. Step 2: Convert to fraction form
    19,681,855.60/29,522,783.40 = 18,926,028.40/x
  3. Step 3: Cross multiply
    19,681,855.60x = 29,522,783.40 × 18,926,028.40
  4. Step 4: Simplify right side
    19,681,855.60x = 558,749,037,075,448.50
  5. Step 5: Solve for x
    x = 558,749,037,075,448.50/19,681,855.60
  6. Step 6: Final answer
    x = 28,389,042.60

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1.5x scale

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.