Finding the Fourth Proportional to 7,742,070.08, 10,684,331.50 and 4,257,673.77
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Solution
The fourth proportional to 7,742,070.08, 10,684,331.50 and 4,257,673.77 is: 5,875,740.92
Step by Step Solution
- Step 1: Write the proportion equation
7,742,070.08 : 10,684,331.50 = 4,257,673.77 : x - Step 2: Convert to fraction form
7,742,070.08/10,684,331.50 = 4,257,673.77/x - Step 3: Cross multiply
7,742,070.08x = 10,684,331.50 × 4,257,673.77 - Step 4: Simplify right side
7,742,070.08x = 45,490,397,977,534.75 - Step 5: Solve for x
x = 45,490,397,977,534.75/7,742,070.08 - Step 6: Final answer
x = 5,875,740.92
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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.