Home / 28,989,848.20-43,484,772.30-19,434,699.40

Finding the Fourth Proportional to 28,989,848.20, 43,484,772.30 and 19,434,699.40

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Solution

The fourth proportional to 28,989,848.20, 43,484,772.30 and 19,434,699.40 is: 29,152,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,989,848.20 : 43,484,772.30 = 19,434,699.40 : x
  2. Step 2: Convert to fraction form
    28,989,848.20/43,484,772.30 = 19,434,699.40/x
  3. Step 3: Cross multiply
    28,989,848.20x = 43,484,772.30 × 19,434,699.40
  4. Step 4: Simplify right side
    28,989,848.20x = 845,113,478,127,946.50
  5. Step 5: Solve for x
    x = 845,113,478,127,946.50/28,989,848.20
  6. Step 6: Final answer
    x = 29,152,049.10

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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.