Home / 9,908,648.40-13,680,066.24-6,605,594.76

Finding the Fourth Proportional to 9,908,648.40, 13,680,066.24 and 6,605,594.76

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Solution

The fourth proportional to 9,908,648.40, 13,680,066.24 and 6,605,594.76 is: 9,119,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908,648.40 : 13,680,066.24 = 6,605,594.76 : x
  2. Step 2: Convert to fraction form
    9,908,648.40/13,680,066.24 = 6,605,594.76/x
  3. Step 3: Cross multiply
    9,908,648.40x = 13,680,066.24 × 6,605,594.76
  4. Step 4: Simplify right side
    9,908,648.40x = 90,364,973,871,396.91
  5. Step 5: Solve for x
    x = 90,364,973,871,396.91/9,908,648.40
  6. Step 6: Final answer
    x = 9,119,808.30

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1.5x scale

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.