Home / 30,212,312.96-45,326,798.83-12,029,277.16

Finding the Fourth Proportional to 30,212,312.96, 45,326,798.83 and 12,029,277.16

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Solution

The fourth proportional to 30,212,312.96, 45,326,798.83 and 12,029,277.16 is: 18,047,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212,312.96 : 45,326,798.83 = 12,029,277.16 : x
  2. Step 2: Convert to fraction form
    30,212,312.96/45,326,798.83 = 12,029,277.16/x
  3. Step 3: Cross multiply
    30,212,312.96x = 45,326,798.83 × 12,029,277.16
  4. Step 4: Simplify right side
    30,212,312.96x = 545,248,625,901,633.69
  5. Step 5: Solve for x
    x = 545,248,625,901,633.69/30,212,312.96
  6. Step 6: Final answer
    x = 18,047,232.15

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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.