Home / 42,497,095.95-63,745,643.93-13,763,852.55

Finding the Fourth Proportional to 42,497,095.95, 63,745,643.93 and 13,763,852.55

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Solution

The fourth proportional to 42,497,095.95, 63,745,643.93 and 13,763,852.55 is: 20,645,778.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,497,095.95 : 63,745,643.93 = 13,763,852.55 : x
  2. Step 2: Convert to fraction form
    42,497,095.95/63,745,643.93 = 13,763,852.55/x
  3. Step 3: Cross multiply
    42,497,095.95x = 63,745,643.93 × 13,763,852.55
  4. Step 4: Simplify right side
    42,497,095.95x = 877,385,643,688,503.25
  5. Step 5: Solve for x
    x = 877,385,643,688,503.25/42,497,095.95
  6. Step 6: Final answer
    x = 20,645,778.83

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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.