Home / 28,708,031.52-39,616,200.48-16,319,478.24

Finding the Fourth Proportional to 28,708,031.52, 39,616,200.48 and 16,319,478.24

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Solution

The fourth proportional to 28,708,031.52, 39,616,200.48 and 16,319,478.24 is: 22,520,378.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708,031.52 : 39,616,200.48 = 16,319,478.24 : x
  2. Step 2: Convert to fraction form
    28,708,031.52/39,616,200.48 = 16,319,478.24/x
  3. Step 3: Cross multiply
    28,708,031.52x = 39,616,200.48 × 16,319,478.24
  4. Step 4: Simplify right side
    28,708,031.52x = 646,515,721,684,837.50
  5. Step 5: Solve for x
    x = 646,515,721,684,837.50/28,708,031.52
  6. Step 6: Final answer
    x = 22,520,378.01

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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.