Home / 13,030,210.54-17,983,849.08-7,230,855.16

Finding the Fourth Proportional to 13,030,210.54, 17,983,849.08 and 7,230,855.16

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Solution

The fourth proportional to 13,030,210.54, 17,983,849.08 and 7,230,855.16 is: 9,979,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030,210.54 : 17,983,849.08 = 7,230,855.16 : x
  2. Step 2: Convert to fraction form
    13,030,210.54/17,983,849.08 = 7,230,855.16/x
  3. Step 3: Cross multiply
    13,030,210.54x = 17,983,849.08 × 7,230,855.16
  4. Step 4: Simplify right side
    13,030,210.54x = 130,038,607,916,779.25
  5. Step 5: Solve for x
    x = 130,038,607,916,779.25/13,030,210.54
  6. Step 6: Final answer
    x = 9,979,777.96

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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.