Home / 42,836,041.40-64,252,835.85-12,130,548.14

Finding the Fourth Proportional to 42,836,041.40, 64,252,835.85 and 12,130,548.14

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Solution

The fourth proportional to 42,836,041.40, 64,252,835.85 and 12,130,548.14 is: 18,195,474.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,836,041.40 : 64,252,835.85 = 12,130,548.14 : x
  2. Step 2: Convert to fraction form
    42,836,041.40/64,252,835.85 = 12,130,548.14/x
  3. Step 3: Cross multiply
    42,836,041.40x = 64,252,835.85 × 12,130,548.14
  4. Step 4: Simplify right side
    42,836,041.40x = 779,422,118,254,642.25
  5. Step 5: Solve for x
    x = 779,422,118,254,642.25/42,836,041.40
  6. Step 6: Final answer
    x = 18,195,474.95

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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.