Home / 12,779,763.14-19,155,445.16-9,737,097.57

Finding the Fourth Proportional to 12,779,763.14, 19,155,445.16 and 9,737,097.57

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Solution

The fourth proportional to 12,779,763.14, 19,155,445.16 and 9,737,097.57 is: 14,594,827.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779,763.14 : 19,155,445.16 = 9,737,097.57 : x
  2. Step 2: Convert to fraction form
    12,779,763.14/19,155,445.16 = 9,737,097.57/x
  3. Step 3: Cross multiply
    12,779,763.14x = 19,155,445.16 × 9,737,097.57
  4. Step 4: Simplify right side
    12,779,763.14x = 186,518,438,519,704.28
  5. Step 5: Solve for x
    x = 186,518,438,519,704.28/12,779,763.14
  6. Step 6: Final answer
    x = 14,594,827.50

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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.