Home / 13,544,848.20-18,686,569.32-7,740,516

Finding the Fourth Proportional to 13,544,848.20, 18,686,569.32 and 7,740,516

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Solution

The fourth proportional to 13,544,848.20, 18,686,569.32 and 7,740,516 is: 10,678,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544,848.20 : 18,686,569.32 = 7,740,516 : x
  2. Step 2: Convert to fraction form
    13,544,848.20/18,686,569.32 = 7,740,516/x
  3. Step 3: Cross multiply
    13,544,848.20x = 18,686,569.32 × 7,740,516
  4. Step 4: Simplify right side
    13,544,848.20x = 144,643,688,806,569.12
  5. Step 5: Solve for x
    x = 144,643,688,806,569.12/13,544,848.20
  6. Step 6: Final answer
    x = 10,678,871.16

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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.