Home / 12,880,985.90-19,323,811.65-6,475,117.10

Finding the Fourth Proportional to 12,880,985.90, 19,323,811.65 and 6,475,117.10

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Solution

The fourth proportional to 12,880,985.90, 19,323,811.65 and 6,475,117.10 is: 9,713,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880,985.90 : 19,323,811.65 = 6,475,117.10 : x
  2. Step 2: Convert to fraction form
    12,880,985.90/19,323,811.65 = 6,475,117.10/x
  3. Step 3: Cross multiply
    12,880,985.90x = 19,323,811.65 × 6,475,117.10
  4. Step 4: Simplify right side
    12,880,985.90x = 125,123,943,252,094.20
  5. Step 5: Solve for x
    x = 125,123,943,252,094.20/12,880,985.90
  6. Step 6: Final answer
    x = 9,713,848.32

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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.