Home / 9,899,411.40-14,828,121.90-8,219,795.40

Finding the Fourth Proportional to 9,899,411.40, 14,828,121.90 and 8,219,795.40

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Solution

The fourth proportional to 9,899,411.40, 14,828,121.90 and 8,219,795.40 is: 12,312,260.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899,411.40 : 14,828,121.90 = 8,219,795.40 : x
  2. Step 2: Convert to fraction form
    9,899,411.40/14,828,121.90 = 8,219,795.40/x
  3. Step 3: Cross multiply
    9,899,411.40x = 14,828,121.90 × 8,219,795.40
  4. Step 4: Simplify right side
    9,899,411.40x = 121,884,128,184,259.27
  5. Step 5: Solve for x
    x = 121,884,128,184,259.27/9,899,411.40
  6. Step 6: Final answer
    x = 12,312,260.12

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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.