Finding the Fourth Proportional to 26,249,689.90, 36,219,163.98 and 15,084,026.29
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Solution
The fourth proportional to 26,249,689.90, 36,219,163.98 and 15,084,026.29 is: 20,812,848.60
Step by Step Solution
- Step 1: Write the proportion equation
26,249,689.90 : 36,219,163.98 = 15,084,026.29 : x - Step 2: Convert to fraction form
26,249,689.90/36,219,163.98 = 15,084,026.29/x - Step 3: Cross multiply
26,249,689.90x = 36,219,163.98 × 15,084,026.29 - Step 4: Simplify right side
26,249,689.90x = 546,330,821,676,140.94 - Step 5: Solve for x
x = 546,330,821,676,140.94/26,249,689.90 - Step 6: Final answer
x = 20,812,848.60
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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.