Home / 42,707,254.80-64,071,806.28-12,415,117.80

Finding the Fourth Proportional to 42,707,254.80, 64,071,806.28 and 12,415,117.80

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Solution

The fourth proportional to 42,707,254.80, 64,071,806.28 and 12,415,117.80 is: 18,625,852.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,707,254.80 : 64,071,806.28 = 12,415,117.80 : x
  2. Step 2: Convert to fraction form
    42,707,254.80/64,071,806.28 = 12,415,117.80/x
  3. Step 3: Cross multiply
    42,707,254.80x = 64,071,806.28 × 12,415,117.80
  4. Step 4: Simplify right side
    42,707,254.80x = 795,459,022,624,979.88
  5. Step 5: Solve for x
    x = 795,459,022,624,979.88/42,707,254.80
  6. Step 6: Final answer
    x = 18,625,852.36

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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.