Home / 9,742,148.16-13,443,833.43-5,391,417.84

Finding the Fourth Proportional to 9,742,148.16, 13,443,833.43 and 5,391,417.84

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Solution

The fourth proportional to 9,742,148.16, 13,443,833.43 and 5,391,417.84 is: 7,439,973.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742,148.16 : 13,443,833.43 = 5,391,417.84 : x
  2. Step 2: Convert to fraction form
    9,742,148.16/13,443,833.43 = 5,391,417.84/x
  3. Step 3: Cross multiply
    9,742,148.16x = 13,443,833.43 × 5,391,417.84
  4. Step 4: Simplify right side
    9,742,148.16x = 72,481,323,392,490.39
  5. Step 5: Solve for x
    x = 72,481,323,392,490.39/9,742,148.16
  6. Step 6: Final answer
    x = 7,439,973.42

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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.