Home / 42,983,886.40-64,475,829.60-14,234,459.20

Finding the Fourth Proportional to 42,983,886.40, 64,475,829.60 and 14,234,459.20

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Solution

The fourth proportional to 42,983,886.40, 64,475,829.60 and 14,234,459.20 is: 21,351,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,983,886.40 : 64,475,829.60 = 14,234,459.20 : x
  2. Step 2: Convert to fraction form
    42,983,886.40/64,475,829.60 = 14,234,459.20/x
  3. Step 3: Cross multiply
    42,983,886.40x = 64,475,829.60 × 14,234,459.20
  4. Step 4: Simplify right side
    42,983,886.40x = 917,778,565,827,352.25
  5. Step 5: Solve for x
    x = 917,778,565,827,352.25/42,983,886.40
  6. Step 6: Final answer
    x = 21,351,688.80

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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.