Home / 47,390,762.88-71,038,287.36-18,657,066.24

Finding the Fourth Proportional to 47,390,762.88, 71,038,287.36 and 18,657,066.24

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Solution

The fourth proportional to 47,390,762.88, 71,038,287.36 and 18,657,066.24 is: 27,966,758.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,390,762.88 : 71,038,287.36 = 18,657,066.24 : x
  2. Step 2: Convert to fraction form
    47,390,762.88/71,038,287.36 = 18,657,066.24/x
  3. Step 3: Cross multiply
    47,390,762.88x = 71,038,287.36 × 18,657,066.24
  4. Step 4: Simplify right side
    47,390,762.88x = 1,325,366,032,851,674.50
  5. Step 5: Solve for x
    x = 1,325,366,032,851,674.50/47,390,762.88
  6. Step 6: Final answer
    x = 27,966,758.76

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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.