Home / 39,699,697.60-59,557,840.80-12,776,075.20

Finding the Fourth Proportional to 39,699,697.60, 59,557,840.80 and 12,776,075.20

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Solution

The fourth proportional to 39,699,697.60, 59,557,840.80 and 12,776,075.20 is: 19,166,782.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,699,697.60 : 59,557,840.80 = 12,776,075.20 : x
  2. Step 2: Convert to fraction form
    39,699,697.60/59,557,840.80 = 12,776,075.20/x
  3. Step 3: Cross multiply
    39,699,697.60x = 59,557,840.80 × 12,776,075.20
  4. Step 4: Simplify right side
    39,699,697.60x = 760,915,452,810,428.12
  5. Step 5: Solve for x
    x = 760,915,452,810,428.12/39,699,697.60
  6. Step 6: Final answer
    x = 19,166,782.09

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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.