Home / 14,366,804.12-19,826,609.60-7,840,852.40

Finding the Fourth Proportional to 14,366,804.12, 19,826,609.60 and 7,840,852.40

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Solution

The fourth proportional to 14,366,804.12, 19,826,609.60 and 7,840,852.40 is: 10,820,605.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366,804.12 : 19,826,609.60 = 7,840,852.40 : x
  2. Step 2: Convert to fraction form
    14,366,804.12/19,826,609.60 = 7,840,852.40/x
  3. Step 3: Cross multiply
    14,366,804.12x = 19,826,609.60 × 7,840,852.40
  4. Step 4: Simplify right side
    14,366,804.12x = 155,457,519,466,023.06
  5. Step 5: Solve for x
    x = 155,457,519,466,023.06/14,366,804.12
  6. Step 6: Final answer
    x = 10,820,605.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.