Home / 14,210,411.80-21,291,123.30-6,621,813.40

Finding the Fourth Proportional to 14,210,411.80, 21,291,123.30 and 6,621,813.40

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Solution

The fourth proportional to 14,210,411.80, 21,291,123.30 and 6,621,813.40 is: 9,921,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210,411.80 : 21,291,123.30 = 6,621,813.40 : x
  2. Step 2: Convert to fraction form
    14,210,411.80/21,291,123.30 = 6,621,813.40/x
  3. Step 3: Cross multiply
    14,210,411.80x = 21,291,123.30 × 6,621,813.40
  4. Step 4: Simplify right side
    14,210,411.80x = 140,985,845,568,992.22
  5. Step 5: Solve for x
    x = 140,985,845,568,992.22/14,210,411.80
  6. Step 6: Final answer
    x = 9,921,306.12

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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.