Home / 19,656,006.40-29,484,009.60-12,499,267.60

Finding the Fourth Proportional to 19,656,006.40, 29,484,009.60 and 12,499,267.60

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Solution

The fourth proportional to 19,656,006.40, 29,484,009.60 and 12,499,267.60 is: 18,748,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656,006.40 : 29,484,009.60 = 12,499,267.60 : x
  2. Step 2: Convert to fraction form
    19,656,006.40/29,484,009.60 = 12,499,267.60/x
  3. Step 3: Cross multiply
    19,656,006.40x = 29,484,009.60 × 12,499,267.60
  4. Step 4: Simplify right side
    19,656,006.40x = 368,528,525,911,368.94
  5. Step 5: Solve for x
    x = 368,528,525,911,368.94/19,656,006.40
  6. Step 6: Final answer
    x = 18,748,901.40

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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.