Home / 42,111,352.16-63,173,045.28-12,967,652.96

Finding the Fourth Proportional to 42,111,352.16, 63,173,045.28 and 12,967,652.96

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Solution

The fourth proportional to 42,111,352.16, 63,173,045.28 and 12,967,652.96 is: 19,453,332.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,111,352.16 : 63,173,045.28 = 12,967,652.96 : x
  2. Step 2: Convert to fraction form
    42,111,352.16/63,173,045.28 = 12,967,652.96/x
  3. Step 3: Cross multiply
    42,111,352.16x = 63,173,045.28 × 12,967,652.96
  4. Step 4: Simplify right side
    42,111,352.16x = 819,206,127,617,406.12
  5. Step 5: Solve for x
    x = 819,206,127,617,406.12/42,111,352.16
  6. Step 6: Final answer
    x = 19,453,332.31

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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.