Home / 19,316,603.60-28,974,905.40-9,728,277.20

Finding the Fourth Proportional to 19,316,603.60, 28,974,905.40 and 9,728,277.20

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Solution

The fourth proportional to 19,316,603.60, 28,974,905.40 and 9,728,277.20 is: 14,592,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316,603.60 : 28,974,905.40 = 9,728,277.20 : x
  2. Step 2: Convert to fraction form
    19,316,603.60/28,974,905.40 = 9,728,277.20/x
  3. Step 3: Cross multiply
    19,316,603.60x = 28,974,905.40 × 9,728,277.20
  4. Step 4: Simplify right side
    19,316,603.60x = 281,875,911,574,976.88
  5. Step 5: Solve for x
    x = 281,875,911,574,976.88/19,316,603.60
  6. Step 6: Final answer
    x = 14,592,415.80

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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.