Home / 15,209,155,645.84-20,985,859,594.04-8,776,628,948.28

Finding the Fourth Proportional to 15,209,155,645.84, 20,985,859,594.04 and 8,776,628,948.28

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Solution

The fourth proportional to 15,209,155,645.84, 20,985,859,594.04 and 8,776,628,948.28 is: 12,110,146,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209,155,645.84 : 20,985,859,594.04 = 8,776,628,948.28 : x
  2. Step 2: Convert to fraction form
    15,209,155,645.84/20,985,859,594.04 = 8,776,628,948.28/x
  3. Step 3: Cross multiply
    15,209,155,645.84x = 20,985,859,594.04 × 8,776,628,948.28
  4. Step 4: Simplify right side
    15,209,155,645.84x = 184,185,102,817,591,066,624
  5. Step 5: Solve for x
    x = 184,185,102,817,591,066,624/15,209,155,645.84
  6. Step 6: Final answer
    x = 12,110,146,487.19

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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.