Home / 13,818,567.57-19,069,516.77-7,623,875.40

Finding the Fourth Proportional to 13,818,567.57, 19,069,516.77 and 7,623,875.40

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Solution

The fourth proportional to 13,818,567.57, 19,069,516.77 and 7,623,875.40 is: 10,520,889.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,567.57 : 19,069,516.77 = 7,623,875.40 : x
  2. Step 2: Convert to fraction form
    13,818,567.57/19,069,516.77 = 7,623,875.40/x
  3. Step 3: Cross multiply
    13,818,567.57x = 19,069,516.77 × 7,623,875.40
  4. Step 4: Simplify right side
    13,818,567.57x = 145,383,619,792,690.47
  5. Step 5: Solve for x
    x = 145,383,619,792,690.47/13,818,567.57
  6. Step 6: Final answer
    x = 10,520,889.31

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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.