Home / 21,074,465.89-31,616,211.02-6,303,721.10

Finding the Fourth Proportional to 21,074,465.89, 31,616,211.02 and 6,303,721.10

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Solution

The fourth proportional to 21,074,465.89, 31,616,211.02 and 6,303,721.10 is: 9,456,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074,465.89 : 31,616,211.02 = 6,303,721.10 : x
  2. Step 2: Convert to fraction form
    21,074,465.89/31,616,211.02 = 6,303,721.10/x
  3. Step 3: Cross multiply
    21,074,465.89x = 31,616,211.02 × 6,303,721.10
  4. Step 4: Simplify right side
    21,074,465.89x = 199,299,776,508,826.50
  5. Step 5: Solve for x
    x = 199,299,776,508,826.50/21,074,465.89
  6. Step 6: Final answer
    x = 9,456,931.32

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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.