Home / 15,911,140.64-23,868,471.49-5,678,386.34

Finding the Fourth Proportional to 15,911,140.64, 23,868,471.49 and 5,678,386.34

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Solution

The fourth proportional to 15,911,140.64, 23,868,471.49 and 5,678,386.34 is: 8,518,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,911,140.64 : 23,868,471.49 = 5,678,386.34 : x
  2. Step 2: Convert to fraction form
    15,911,140.64/23,868,471.49 = 5,678,386.34/x
  3. Step 3: Cross multiply
    15,911,140.64x = 23,868,471.49 × 5,678,386.34
  4. Step 4: Simplify right side
    15,911,140.64x = 135,534,402,331,957.12
  5. Step 5: Solve for x
    x = 135,534,402,331,957.12/15,911,140.64
  6. Step 6: Final answer
    x = 8,518,207.80

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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.