Home / 19,038,963.70-28,574,775.15-7,687,558.90

Finding the Fourth Proportional to 19,038,963.70, 28,574,775.15 and 7,687,558.90

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Solution

The fourth proportional to 19,038,963.70, 28,574,775.15 and 7,687,558.90 is: 11,537,931.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038,963.70 : 28,574,775.15 = 7,687,558.90 : x
  2. Step 2: Convert to fraction form
    19,038,963.70/28,574,775.15 = 7,687,558.90/x
  3. Step 3: Cross multiply
    19,038,963.70x = 28,574,775.15 × 7,687,558.90
  4. Step 4: Simplify right side
    19,038,963.70x = 219,670,267,019,881.34
  5. Step 5: Solve for x
    x = 219,670,267,019,881.34/19,038,963.70
  6. Step 6: Final answer
    x = 11,537,931.92

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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.