Home / 20,430,064.80-30,645,097.20-9,058,442.40

Finding the Fourth Proportional to 20,430,064.80, 30,645,097.20 and 9,058,442.40

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Solution

The fourth proportional to 20,430,064.80, 30,645,097.20 and 9,058,442.40 is: 13,587,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,430,064.80 : 30,645,097.20 = 9,058,442.40 : x
  2. Step 2: Convert to fraction form
    20,430,064.80/30,645,097.20 = 9,058,442.40/x
  3. Step 3: Cross multiply
    20,430,064.80x = 30,645,097.20 × 9,058,442.40
  4. Step 4: Simplify right side
    20,430,064.80x = 277,596,847,828,601.28
  5. Step 5: Solve for x
    x = 277,596,847,828,601.28/20,430,064.80
  6. Step 6: Final answer
    x = 13,587,663.60

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1.5x scale

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.