Home / 30,209,547.20-45,208,032.60-27,658,630.40

Finding the Fourth Proportional to 30,209,547.20, 45,208,032.60 and 27,658,630.40

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Solution

The fourth proportional to 30,209,547.20, 45,208,032.60 and 27,658,630.40 is: 41,390,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209,547.20 : 45,208,032.60 = 27,658,630.40 : x
  2. Step 2: Convert to fraction form
    30,209,547.20/45,208,032.60 = 27,658,630.40/x
  3. Step 3: Cross multiply
    30,209,547.20x = 45,208,032.60 × 27,658,630.40
  4. Step 4: Simplify right side
    30,209,547.20x = 1,250,392,264,794,551
  5. Step 5: Solve for x
    x = 1,250,392,264,794,551/30,209,547.20
  6. Step 6: Final answer
    x = 41,390,632.46

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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.