Finding the Fourth Proportional to 40,842,056.79, 56,362,050.11 and 22,257,202.14
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Solution
The fourth proportional to 40,842,056.79, 56,362,050.11 and 22,257,202.14 is: 30,714,945.35
Step by Step Solution
- Step 1: Write the proportion equation
40,842,056.79 : 56,362,050.11 = 22,257,202.14 : x - Step 2: Convert to fraction form
40,842,056.79/56,362,050.11 = 22,257,202.14/x - Step 3: Cross multiply
40,842,056.79x = 56,362,050.11 × 22,257,202.14 - Step 4: Simplify right side
40,842,056.79x = 1,254,461,542,378,722.25 - Step 5: Solve for x
x = 1,254,461,542,378,722.25/40,842,056.79 - Step 6: Final answer
x = 30,714,945.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.