Home / 19,219,017.40-28,821,527.70-9,631,209.40

Finding the Fourth Proportional to 19,219,017.40, 28,821,527.70 and 9,631,209.40

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Solution

The fourth proportional to 19,219,017.40, 28,821,527.70 and 9,631,209.40 is: 14,443,307.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219,017.40 : 28,821,527.70 = 9,631,209.40 : x
  2. Step 2: Convert to fraction form
    19,219,017.40/28,821,527.70 = 9,631,209.40/x
  3. Step 3: Cross multiply
    19,219,017.40x = 28,821,527.70 × 9,631,209.40
  4. Step 4: Simplify right side
    19,219,017.40x = 277,586,168,506,600.38
  5. Step 5: Solve for x
    x = 277,586,168,506,600.38/19,219,017.40
  6. Step 6: Final answer
    x = 14,443,307.00

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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.