Home / 42,709,713.54-64,075,483.44-12,417,576.54

Finding the Fourth Proportional to 42,709,713.54, 64,075,483.44 and 12,417,576.54

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Solution

The fourth proportional to 42,709,713.54, 64,075,483.44 and 12,417,576.54 is: 18,629,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,709,713.54 : 64,075,483.44 = 12,417,576.54 : x
  2. Step 2: Convert to fraction form
    42,709,713.54/64,075,483.44 = 12,417,576.54/x
  3. Step 3: Cross multiply
    42,709,713.54x = 64,075,483.44 × 12,417,576.54
  4. Step 4: Simplify right side
    42,709,713.54x = 795,662,219,953,702.38
  5. Step 5: Solve for x
    x = 795,662,219,953,702.38/42,709,713.54
  6. Step 6: Final answer
    x = 18,629,537.73

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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.