Finding the Fourth Proportional to 26,847,728.96, 40,249,298.40 and 10,663,695.68
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Solution
The fourth proportional to 26,847,728.96, 40,249,298.40 and 10,663,695.68 is: 15,986,688.11
Step by Step Solution
- Step 1: Write the proportion equation
26,847,728.96 : 40,249,298.40 = 10,663,695.68 : x - Step 2: Convert to fraction form
26,847,728.96/40,249,298.40 = 10,663,695.68/x - Step 3: Cross multiply
26,847,728.96x = 40,249,298.40 × 10,663,695.68 - Step 4: Simplify right side
26,847,728.96x = 429,206,269,471,110.88 - Step 5: Solve for x
x = 429,206,269,471,110.88/26,847,728.96 - Step 6: Final answer
x = 15,986,688.11
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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.