Home / 34,390,323.15-47,458,644.12-18,920,075.64

Finding the Fourth Proportional to 34,390,323.15, 47,458,644.12 and 18,920,075.64

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Solution

The fourth proportional to 34,390,323.15, 47,458,644.12 and 18,920,075.64 is: 26,109,703.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390,323.15 : 47,458,644.12 = 18,920,075.64 : x
  2. Step 2: Convert to fraction form
    34,390,323.15/47,458,644.12 = 18,920,075.64/x
  3. Step 3: Cross multiply
    34,390,323.15x = 47,458,644.12 × 18,920,075.64
  4. Step 4: Simplify right side
    34,390,323.15x = 897,921,136,522,241.25
  5. Step 5: Solve for x
    x = 897,921,136,522,241.25/34,390,323.15
  6. Step 6: Final answer
    x = 26,109,703.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.