Home / 28,128,985.02-42,164,705.12-19,032,043.10

Finding the Fourth Proportional to 28,128,985.02, 42,164,705.12 and 19,032,043.10

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Solution

The fourth proportional to 28,128,985.02, 42,164,705.12 and 19,032,043.10 is: 28,528,597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,128,985.02 : 42,164,705.12 = 19,032,043.10 : x
  2. Step 2: Convert to fraction form
    28,128,985.02/42,164,705.12 = 19,032,043.10/x
  3. Step 3: Cross multiply
    28,128,985.02x = 42,164,705.12 × 19,032,043.10
  4. Step 4: Simplify right side
    28,128,985.02x = 802,480,484,836,646.88
  5. Step 5: Solve for x
    x = 802,480,484,836,646.88/28,128,985.02
  6. Step 6: Final answer
    x = 28,528,597.26

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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.