Home / 9,260,920.53-12,779,904.63-5,130,868.84

Finding the Fourth Proportional to 9,260,920.53, 12,779,904.63 and 5,130,868.84

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Solution

The fourth proportional to 9,260,920.53, 12,779,904.63 and 5,130,868.84 is: 7,080,507.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260,920.53 : 12,779,904.63 = 5,130,868.84 : x
  2. Step 2: Convert to fraction form
    9,260,920.53/12,779,904.63 = 5,130,868.84/x
  3. Step 3: Cross multiply
    9,260,920.53x = 12,779,904.63 × 5,130,868.84
  4. Step 4: Simplify right side
    9,260,920.53x = 65,572,014,354,684.86
  5. Step 5: Solve for x
    x = 65,572,014,354,684.86/9,260,920.53
  6. Step 6: Final answer
    x = 7,080,507.19

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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.