Finding the Fourth Proportional to 10,390,605.60, 15,562,288.80 and 6,564,230.40
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Solution
The fourth proportional to 10,390,605.60, 15,562,288.80 and 6,564,230.40 is: 9,831,424.00
Step by Step Solution
- Step 1: Write the proportion equation
10,390,605.60 : 15,562,288.80 = 6,564,230.40 : x - Step 2: Convert to fraction form
10,390,605.60/15,562,288.80 = 6,564,230.40/x - Step 3: Cross multiply
10,390,605.60x = 15,562,288.80 × 6,564,230.40 - Step 4: Simplify right side
10,390,605.60x = 102,154,449,234,539.53 - Step 5: Solve for x
x = 102,154,449,234,539.53/10,390,605.60 - Step 6: Final answer
x = 9,831,424.00
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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.