Finding the Fourth Proportional to 15,225,657.04, 21,009,463.12 and 8,699,708.96
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Solution
The fourth proportional to 15,225,657.04, 21,009,463.12 and 8,699,708.96 is: 12,004,487.82
Step by Step Solution
- Step 1: Write the proportion equation
15,225,657.04 : 21,009,463.12 = 8,699,708.96 : x - Step 2: Convert to fraction form
15,225,657.04/21,009,463.12 = 8,699,708.96/x - Step 3: Cross multiply
15,225,657.04x = 21,009,463.12 × 8,699,708.96 - Step 4: Simplify right side
15,225,657.04x = 182,776,214,549,853.59 - Step 5: Solve for x
x = 182,776,214,549,853.59/15,225,657.04 - Step 6: Final answer
x = 12,004,487.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.