Home / 15,779,585.40-23,669,378.10-12,590,939.40

Finding the Fourth Proportional to 15,779,585.40, 23,669,378.10 and 12,590,939.40

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Solution

The fourth proportional to 15,779,585.40, 23,669,378.10 and 12,590,939.40 is: 18,886,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,585.40 : 23,669,378.10 = 12,590,939.40 : x
  2. Step 2: Convert to fraction form
    15,779,585.40/23,669,378.10 = 12,590,939.40/x
  3. Step 3: Cross multiply
    15,779,585.40x = 23,669,378.10 × 12,590,939.40
  4. Step 4: Simplify right side
    15,779,585.40x = 298,019,705,292,787.19
  5. Step 5: Solve for x
    x = 298,019,705,292,787.19/15,779,585.40
  6. Step 6: Final answer
    x = 18,886,409.10

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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.