Finding the Fourth Proportional to 15,704,970.40, 23,539,959.60 and 6,117,162.40
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Solution
The fourth proportional to 15,704,970.40, 23,539,959.60 and 6,117,162.40 is: 9,168,928.82
Step by Step Solution
- Step 1: Write the proportion equation
15,704,970.40 : 23,539,959.60 = 6,117,162.40 : x - Step 2: Convert to fraction form
15,704,970.40/23,539,959.60 = 6,117,162.40/x - Step 3: Cross multiply
15,704,970.40x = 23,539,959.60 × 6,117,162.40 - Step 4: Simplify right side
15,704,970.40x = 143,997,755,762,639.06 - Step 5: Solve for x
x = 143,997,755,762,639.06/15,704,970.40 - Step 6: Final answer
x = 9,168,928.82
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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.