Home / 12,009,158.04-18,013,779.19-2,911,218.60

Finding the Fourth Proportional to 12,009,158.04, 18,013,779.19 and 2,911,218.60

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Solution

The fourth proportional to 12,009,158.04, 18,013,779.19 and 2,911,218.60 is: 4,366,838.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009,158.04 : 18,013,779.19 = 2,911,218.60 : x
  2. Step 2: Convert to fraction form
    12,009,158.04/18,013,779.19 = 2,911,218.60/x
  3. Step 3: Cross multiply
    12,009,158.04x = 18,013,779.19 × 2,911,218.60
  4. Step 4: Simplify right side
    12,009,158.04x = 52,442,049,089,036.02
  5. Step 5: Solve for x
    x = 52,442,049,089,036.02/12,009,158.04
  6. Step 6: Final answer
    x = 4,366,838.12

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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.