Home / 19,075,587.60-28,613,381.40-18,331,570.20

Finding the Fourth Proportional to 19,075,587.60, 28,613,381.40 and 18,331,570.20

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Solution

The fourth proportional to 19,075,587.60, 28,613,381.40 and 18,331,570.20 is: 27,497,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075,587.60 : 28,613,381.40 = 18,331,570.20 : x
  2. Step 2: Convert to fraction form
    19,075,587.60/28,613,381.40 = 18,331,570.20/x
  3. Step 3: Cross multiply
    19,075,587.60x = 28,613,381.40 × 18,331,570.20
  4. Step 4: Simplify right side
    19,075,587.60x = 524,528,209,793,474.25
  5. Step 5: Solve for x
    x = 524,528,209,793,474.25/19,075,587.60
  6. Step 6: Final answer
    x = 27,497,355.30

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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.